Your computer has a single hdd formatted with ntfs with the following data folders

• If I have a set of RAID 1 array hard drives in an existing external hard drive enclosure, can we transfer them to TNAS without having to reformat the hard drive?

  No, you can't. The hard disk newly added in the TNAS will be reformatted. Please back up the data in advance.

  Inhaltsverzeichnis Show

  • Which NTFS permission for a folder is defined as enabling you to read write and delete both files and subfolders?
  • Which of the following user accounts are created automatically and disabled by default when Windows is installed?
  • Which of the following best meets the requirements of a strong password?
  • Which of the following is a hardware component used to hold BitLocker encryption?

• How can I get multiple users to access TNAS without having to enter a username and password?

  No. Users must enter a username and password to access TNAS. You can check "Remember username and password" in the login window and do not need to enter a username and password to access again. 

• What is the maximum hard disk capacity that TNAS supports?

  Currently supports a maximum of 12TB and will remain updated, please keep an eye on official information.

• How to access TNAS shared folders with FTP?

  Windows computer is taken as an example to introduce methods of how to access TNAS shared folders through FTP.
  Step 1: Enable FTP server function. Log in TOS as administrator, select Control Panel> Network Service> FTP Service and tick ‘Enable FTP Service’ and then click ‘Apply’.

  Step 2: Double click to open ‘My Computer’ on the computer, and input ftp://TNAS IP address in the address bar, such as ftp://192.168.1.100.

  Step 3: Input username and password in the next menu and access TNAS shared folders.

• Can a newly purchased D2-310/D4-310/D4-300/D5-300 be used when the hard drive is installed?

  No! If you install a new hard drive, it needs to be initialized and formatted prior to use. As the factory default RAID mode is SINGLE Disk mode, please refer to the user manual if you require the use of other modes.

• Does TNAS support data encryption?

  Some models support shared folder AES hardware encryption, please go to the official website and check the specifications before you buy.

• Can the EXT 4 format hard drive I formatted on ubuntu or other Linux systems be used directly on TNAS?

  No.

• Can we use Disk Utility to manage D2-310/D4-310/D4-300/D5-300?

   Yes.

• Where to download and update TOS software?

  Users can acquire the latest version of the TOS software through two ways: manual update, or online update.

  Manual download: There is a Download Center in the official website of TerraMaster, where users can download TOS software packages. After finishing download TOS software, users need to log in TOS as administrator, then click Control Panel > General Setting > Update & Recovery > Software Update, then click Browse to select the update package downloaded, and click Manual Update to finish software update.

  Online update: As TNAS system has the online update function, when a new version software is released, users will be promted and users can complete it following the guide as long as they select Online Update. Users just need to select online update and then download and install the new software as instructed. Or, users can log in TOS as administrator, then click Control Panel > General Settings >Update & Recovery＞ Software Update and click Online Update to finish software update.

• Does TNAS support Iscsi target? Can it be used as VMWare ESXi?

  Yes.

• Why is only the LED indicator light for HDD1 on when there is data being read in the RAID 1 created by HDD1 and HDD2 on D2-310, D4-310 and D5-300C?

  The date on the two hard drives is completely the same if these two HDD’s are created as RAID1. Where reading data, only HDD 1 is being read and HDD is under the waiting status, which will help to last the HDD’s life.

• What is the power supply voltage rating of TNAS?

  AC 100~240V。 

• How is the storage capacity of RAID calculated?

  Raid 0: the storage capacity is the capacity of N* minimum hard drive space (N is the number of hard drives, which is not less than 2).
  Raid 1: storage capacity is the capacity of minimum hard drive space (N is the number of hard drives, which is not less than 2).
  Raid 3: storage capacity is the capacity of (N-1)* minimum hard drive space (N is the number of hard drives, which is not less than 3).
  Raid 5: storage capacity is the capacity of (N-1)* minimum hard drive space (N is the number of hard drives, which is not less than 3).
  Raid 6: storage capacity is the capacity of (N-2)* minimum hard drive space (N is the number of hard drives, which is not less than 4).
  Raid 10: storage capacity is the capacity of (N/2)* minimum hard drive space (N is the number of hard drives, which is equal to 4).
  SINGLE Disk: the capacity of each hard drive is separate (N is the number of hard drives).
  JBOD: the storage capacity of easily bundled hard drives is the sum of the capacity of all hard drives.

• Why does the installation progress bar stop at 60% and 90% when installing the TOS system?

  It has not actually stopped, but there are many setup projects which take some time. Please wait patiently.

• Can you tell me whether the brand and type of hard drive requires consistency when creating RAID?

  It is recommended to use the same brand of the same type of hard drives when creating RAID.

• Why is the speed of data copying so slow when running TerraMaster DAS on a computer with Windows 10 OS?

  The reason may be the lack of compatibility between the USB drive program on Windows 10 and the computer's USB hardware, causing data copying to be slow or become disrupted. The USB hardware drive program should be updated.

• The hard drive install in D2-310/D4-310/D5-300 shows as RAW Read-only mode in Windows, how to deal with it?

  Please input the command CMD in Run in your PC, and then input the command chkdsk H: /f (H stands for the relevant hard drive. If yours is Z, then replace H with Z.), and press “Enter” to execute. 

• How do we know if a hard drive has failed in D2-310/D4-310/D4-300/D5-300?

  When a hard drive has broken down, the hard drive indicator on the D2-310/D4-310/D4-300/D5-300 panel will blink red.

• When I add a new hard drive to my TNAS device through the empty bay, do I have to pull out the existing hard drives and insert the new one to install the TOS system for it?

  It's wrong to install TOS system separately for each hard drive. If you want to add a new hard drive, please insert it into the device when the device is powered on, and then go to TOS control panel > Storage Manager >RAID, and click Create, it could be used after RAID is created. TOS system will be installed to the new hard drive automatically. It will lead to RAID rename when installing TOS system separately for each hard drive, and only one hard drive's data could be shown with all hard drives inserted . In this case, please do the following steps:
  1. Backup data: power off the device, insert any one of the hard drive and power the device on to backup the data
  2. Delete the RAID: go to TOS Control Panel>Storage Manager > RAID, select RAID Volume #1 and click Delete
  3. Create RAID: power the device off, and insert all the hard drives, then power it on, and go to TOS Control Panel>Storage Manager > RAID, and click Create. It will work properly after the RAID is created.

• Can we use Disk Utility to manage D2-310/D4-310/D4-300/D5-300?

   Yes.

• Does D2-310/D4-310/D4-300/D5-300 have a built-in RAID controller?

  Yes.

• Can the CPU of TNAS be upgraded?

  Only some of the high-end rack-mount models can upgrade the CPU. Please check the specifications on the official website before you buy. 

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Why my TNAS device could not be detected with TNAS PC desktop program?

  It’s mainly the reason that Windows Defender Firewall has blocked the TNAS PC program. Please click “Allow access” when the following window prompts you that Windows Defender Firewall has blocked some features of TNAS PC. Otherwise TNAS PC could not find any device.

  In case that “Cancel” was mistakenly clicked, please go to Windows Control Panel > Windows Defender Firewall > advanced settings > Inbound Rules, find TNAS PC, delete the rule for it and restart it. It will ask you to choose again, and click “Allow access” this time.

• Why is transfer speed slow on D2-310/D4-310/D4-300/D5-300?

  Please check the following:
  1.How’s the transfer speed of hard drives? SATA I (1.5Gbps), SATA II (3Gbps), SATA III (6Gbps)?
  2.What is the partition format of the hard drives installed on the TerraMaster device? NTFS is fastest; FAT32 the 2nd, while exFAT is the slowest.
  3.What is the partition format of the hard drives in the computer? NTFS is fastest; FAT32 the 2nd, while exFAT is the slowest.
  4.What is the interface type of the USB port which connects the TerraMaster device and the computer? Is it USB2.0, USB3.0 or USB3.1?
  5.The transfer speed also has something to do with the RAID mode. RAID 0 or RAID 10 is fast, while RAID 1, RAID 5, SINGLE Disk and CLONE are slower.

• Can I sync TNAS with my cloud drive?

  Yes. You can install the Cloud Sync application in TOS to synchronize your Cloud Drive. Currently supported Cloud drive has Baidu Cloud, Dropbox, more Cloud Drives are in the update, please pay attention to the official update information.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• What’s the maximum capacity of a single HDD does TerraMaster NAS support?

  It’s 16TB for all F series NAS and D series disk array products of TerraMaster, and 12TB for U series rack-mounted products.

• Does D2-310/D4-310/D4-300/D5-300 support a hot spare hard drive?

  No.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• How can Mac computer users access TNAS shared folders?

  There are some ways of Windows computer users to access TNAS shared folders:
  Method 1: Access through TNAS desktop application. Click File Manager and input user’s name and password to access and manage TNAS shard folders. Users can choose to log in either as admin or other user identities.
  Method 2: Access through IP address. Click Go to> Connect to Server on the desktop of Mac computer, input the IP of afp://NAS or smb://NAS such as afp:// 192.168.1.100 or smb:// 192.168.1.100 in the server address and click connect. In the next menu, input user’s name and password to access the TNAS shared folders.

• Does TNAS support iTunes server?

  Yes.

• Does D4-300/D5-300 have a sleep function?

  No.

• Can Docker Container run on TNAS?

  Some models do, some donot. Please check the official specifications before you buy.

• Is D5-300 supported to set two groups of RAID?

  Two groups of RAID to set is not supported by D5-300. Two groups of RAID are suggested to use TerraMaster D4-310.

• Does the device need to be connected directly to my router?

  Yes. Use a network cable to connect directly to your router.

• Can D2-310/D4-310/D4-300/D5-300 install SATA III hard drives?

  Yes.

• Why the TNAS device can’t get an internet IP, and no way to download any app’s in the Application Center?

  Please check if you are using the router from Vodafone Station. If yes, please refer to the links below to fix the problem.
  https://www.artifex.it/informatica/vodafone-station-2-e-server-linux-senza-gui-sblocco-del-reindirizzamento-iniziale-delle-pagine-web/
  http://vodafone.station/?page=dashboard_wizard.html&org_url=http%3a%2f%2fwww%2egoogle%2ecom&intercept_id=5&host_mac=6c:bf:b5:00:14:39

• How can a RAID 5 array be constructed for D5-300?

  1. The RAID Manager should be downloaded and installed on the computer from the TerraMaster official website;
  2. D5-300 should be connected to the computer and started up;
  3. The RAID Manager should be run on the computer, deleting the current RAID of D5-300 and creating a new RAID 5;
  4. Following creation of RAID, the computer's "disk management" will show an unallocated new disk, which should be initialised and formatted to enable its use (see the instruction manual for Mac computer initialisation)

• Does D2-310/D4-310/D4-300/D5-300 need screws to install hard drives?

  Yes.

• Can I save the game to TNAS?

  Yes. But your game needs to support storage to networked storage devices.

• How do I use Plex to watch videos I store on TNAS on a Samsung TV or LG TV?

  TNAS supports Plex media servers. First you need to install the Plex media server in the TOS application center and enable it. Then, you need to install the Plex client on Samsung TV or LG TV, and then use the Plex client to watch the video in TNAS.

• Where to download or update TNAS PC desktop application?

  There is a Download Center on TerraMaster official website, where users can free download information such as Quick Start Guide, Manuals and so on. Users just need to select product model in Download Centre that indicates all available software and information of the model for download. As TNAS application has the online update function, when a new version software is released, users will be promted and users can complete it following the guide as long as they follow the guide.

• Is D4-300/D5-300 equipped with RAID manager software for use in Windows or Mac computers?

  Yes. D4-300/D5-300 is equipped with free TerraMaster RAID Manager setting software, with two versions for Windows and Mac.

• Is the newly purchased TNAS equipped with hard drive?

  TNAS has two series of models, one is installed with hard drive and the other is not, therefore note that users need pay attention to select when purchasing. TNAS installed with hard drive can be used after initialization and if the TNAS is not installed hard drive, the users are required to buy hard drive and install it by themselves, and then initialize TNAS. TNAS is a kind of storage device that needs to work long hours, and it demands higher requirment for hard drives; please visit the official website of TerraMaster to read the contents of Hard drive Compatibility to select a proper hard drive for TNAS.

• Can I stream multimedia files from TNAS using Android Box or Smart TV?

  Yes. TNAS is a DLNA-compatible device, as long as your playback device is compatible with DLNA. 

• Why is the IP address of TNAS displayed in TNAS PC application not in the same network segment as those of other devices in the network?

  The router may have not enabled the DHCP service. Please follow the TNAS PC application guide to manually change the IP address of TNAS to be within the same network segment as those of other devices.

• Does D2-310/D4-310/D4-300/D5-300 adopt RAID software or RAID hardware?

  D2-310/D4-310/D4-300/D5-300 adopts RAID hardware. D2-310 does not need any software to create RAID, but D4-300/D5-300 needs the help of software and TerraMaster provides free RAID Manager software.

• Why does it fail to search for TNAS device through TNAS desktop application?

  If the TNAS device cannot be found through search in TNAS desktop application, the device will not start initialization and is still unavailable. The following are common reasons why TNAS desktop application cannot search for TNAS and the relevant countermeasures:

  Reason 1: TNAS desktop application version is outdated.

  Solution: Update TNAS application to the latest version. Please visit the Download Center on the official website of TerraMaster to download the latest TNAS desktop application based on the product models of TerraMaster. And search again after installing TNAS desktop application.

  Reason 2: TNAS is not well connected with the network:

  Solution: Please check if the connectin with TNAS and the indicator of the router or Switch port is normal; if not, it indicates that TNAS device is not connected to network. Please change a network port or try again after replacing a network cable.

  Reason 3: Hard drive inside TNAS device may be damaged or the hard drive fails to communicate with TNAS normally.

  Solution: The indicator light should be pink or blue when the hard drive works normally. Please check the hard drive indicator of TNAS and if it is red, it means that the hard drive fails to start. Please pull out the hard drive that shows red light, reinsert into the slot, and then restart TNAS. After restarting, please replace a new hard drive and try again if TNAS still cannot be searched by TNAS application;

  Reason 4: TNAS and the computer are not on the same network;

  Solution: if TNAS and the computer are not on the same network, TNAS desktop application will be unable to search for TNAS device. Please connect TNAS and computer within the same network.

  Reason 5: The computer opens firewall;

  Solution: Please remove TNAS from the firewall stop list.

  Reason 6: 2 or more network cards are used on the computer;

  Solution: Several network cards on one computer will lead to conflict and make TNAS fail to communicate with the computer. In this case, please turn off other network cards and keep the network card being used.

• What if the hard drive is damaged when using D2-310/D4-310/D4-300/D5-300 to create RAID 1?

  If there is damage to a hard drive in RAID 1 mode, please remove the failing hard drive and replace it with a new one, in which case, please make sure the product is powered on. After the hard drive is inserted, data will be automatically restored. Please do not turn off the power during the data recovery process. To ensure successful data recovery, it is recommended to use the same brand of hard drive and the same type of data for the new hard drive, and that the capacity of the new hard drive is greater than or equal to that of the faulty hard drive.

• Can I configure multiple arrays in TNAS?

  Yes, but you need to buy a model with 4 or more bays.

• Is it possible to create multiple sets of RAIDs in D5-300?

  The answer is no, because the D5-300 storage device is exclusively meant for RAID 5, meaning that it is possible to creat just one set. RAID failure may occur if multiple RAID sets are created, leading to loss of hard drive data. Current arrays must be deleted before creating new ones, if hard drives need to be added or removed from the current RAID. Data should be backed-up prior to array deletion as this may cause hard drive data to be lost.

• Can you tell me whether D4-300/D5-300 can add a hard drive in CLONE mode?

  No, it cannot.

• Can newly purchased TNAS be immediately used?

  No! Newly purchased TNAS cannot be used prior to the completion of initialization, which include the followings:

  1. Install the hard drive (in case that the hard drive is not installed in your purchased TNAS).
  2. Download and install TNAS desktop application.
  3.Update TOS software.
  4. Creat RAID and format it

  TNAS is ready to be used after above steps are completed.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Can I install a Windows system in TNAS?

  No. TNAS does not support virtual machines for the time being.

• Why does the 32 bits Windows not recognize 6TB or 8TB hard drives that are installed in D2-310/D4-310/D4-300/D5-300?

  It is because the 32 bits Windows does not support 6TB or 8TB hard drives. Please upgrade to 64 bits for your computer if you need to use 6TB or 8TB hard drives.

• Why does the computer's "disk management" include "unallocated" disk partition and why is the formatting of this partition unavailable after installation of a hard drive with a capacity exceeding 2TB on the TerraMaster DAS?

  The source of the problem is the selection of the MBR partition for initialising the hard drive, as this can support a capacity no greater than 2TB. The GPT partition should be selected for hard drives larger than 2TB.

• Does TNAS support link aggration?

  Yes. If you purchase a TNAS with 2 or more network interfaces, you can set up link aggration.

• What measures should be taken to address problems that may arise during use of D4-310/D2-310/D5-300C, such as failure of hard drive initialisation and formatting, failure of hard drive recognition by the computer, or data copying disruption?

  The product should be reset following the steps: 1. Hard drives should be installed on TerraMaster DAS, after which the latter should be connected to the computer, and both TerraMaster DAS and the computer should be left powered on; 2. The RAID switch point should be rotated to the required RAID mode and application of the new RAID setting can be achieved by keeping the RESET button pressed for five seconds; the drives should be subsequently initialised and formatted in the computer's "disk management" interface; 3. The procedure should be carried out again twice if the problem persists.

• How to initialize the TNAS device for first starting with TNAS?

  Newly purchased TNAS products cannot be used until completion of initialization. Please visit the official website of TerraMaster, and then click Installation Guide and finish the initialization of the product in accordance with guidelines on the page.

  Please kindly note:
  1. TNAS can install 2.5 inch SATA hard drive, 3.5 inch desktop SATA hard drive or 2.5 inch SSD. Please refer to Hard drive Compatibility on the official website of TerraMaster for suitable installation of hard drive brands and models.

  2. If there are not any TNAS devices showing up in the TNAS desktop application menu, please refer to FAQ for troubleshooting.

  3. Input Administrator user name and password on the TOS login page, and the administrator user name is admin and the initial password is admin as well. Administrator name can not be changed but the initial password can be changed. Please be sure to remember the new password.

  4.For uninitialized TNAS, the system will automatically enter the initialization guide page when you first login TOS. Please finish the initialization in accordance with the guidelines on the page.

  5.Initialization will remove data on the hard drive, so please back up important data.

  6. System initialization will take ten minutes, please wait; after initialization, the page will refresh automatically to TOS login page. If the page does not refresh automatically, please close the page and use TNAS desktop application to search for TNAS again, and then click TOS Login in TNAS application menu.

  7. After TNAS is initialized, the hard drive will format itself automatically and create RAID.

• Is there a mobile app that can access TNAS and view files, photos and play videos? Can I use my phone to access TNAS?

  Yes. You can download the Android version of the TNAS mobile app from TerraMaster official website, google play, or the iOS version from Apple's app store.

• Can TNAS be used on Linux system computers?

  Yes.

• Does D2-310/D4-310 have a sleep function?

  Yes. If there is no operation within 30 minutes, D2-310/D4-310 will automatically enter hard drive dormancy.

• Why are there only 4 App’s in my TOS Applications Center? The other advertised App’s are missing?

  This is due to the NAS device is not connected to internet. Please check in TOS Control Panel – “Network Service” – “Network” – “Network Interface” and click the LAN to edit. Please ensure the Gateway and DNS of the NAS device are the same as those of your computer. 

• Can TNAS be hacked?

  Any device connected to the Internet is likely to be hacked. TOS provides a variety of safeguards to increase the security of TNAS. In addition, TNAS is located behind the router or gateway, so the security of the router is also very important. Do your best to protect yourself and reduce the risk of attack.

• How can I access the control panel of TNAS from my computer?

  If you are accessing on a local network, you can enter the IP address of TNAS in the browser address bar of your computer. You can use the TNAS PC desktop app to obtain the IP address of TNAS.

• Can I install virtual machines in TNAS?

  Not for the time being.

• Do they fit completely over your ears or do they sit on top?

  They are completely over ear.

• Does D2-310/D4-310 come with RAID manager software for use in Windows or Mac computers?

  No. D2-310/D4-310 does not need software for RAID setting.

• Can I play music stored in TNAS from multiple computers?

  Yes. As long as your music player supports access to networked storage devices.

• Is a USB Type-C cable included with D2-310/D4-310/D4-300/D5-300?

  One USB Type-C cable is included. One end of the cable is a USB Type-A port and the other end is a USB Type-C port.

• Can I install 1 or 2 drives in TNAS and add more drives in the future, or do I need to fully fill the drive once?

  Yes. You do not need to fully fill the hard drives, you can add the hard drives in the future according to your demand and the data will not be affected.

• What file system does TNAS use?

  TNAS uses the EXT 4 or Btrfs file system, please check the official specifications before purchasing.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Does TNAS support Plex media servers? Can I stream video to Plex clients?

  Yes. TNAS supports Plex Media Server and Emby Media Server, please go to the TOS Application Center to install.

• What kind of hard drives is suitable for installation into TNAS?

  TNAS can install 2.5 inch SATA hard drive, 3.5inch desktop SATA hard drive or 2.5 inch SSD. Since TNAS is kind of storage device that needs to work long hours, even work for 24 hours a day and seven days per week, so not all kinds of hard drives are suitable for TNAS because of high demand on hard drive, it is recommended to use dedicated NAS hard drive. Please visit the official website of TerraMaster to read the contents of Hard drive Compatibility to select a proper hard drive for TNAS.

• How can Mac computer users access TNAS shared folders?

  here are some ways of Windows computer users to access TNAS shared folders:

  Method 1: Access through TNAS desktop application. Click File Manager and input user’s name and password to access and manage TNAS shard folders. Users can choose to log in either as admin or other user identities.

  Method 2: Access through IP address. Click Go to> Connect to Server on the desktop of Mac computer, input the IP of afp://NAS or smb://NAS such as afp:// 192.168.1.100 or smb:// 192.168.1.100 in the server address and click connect. In the next menu, input user’s name and password to access the TNAS shared folders.

• Why does the installation progress bar stop at 60% and 90% when installing the TOS system?

  It has not actually stopped, but there are many setup projects which take some time. Please wait patiently.

• What if there is a bad hard drive in D2-310/D4-310/D4-300/D5-300? Can it be replaced directly?

  Yes. If the hard drive is broken down, the faulty hard drive can be replaced directly, in which case the product is powered on. Nevertheless, the data of the faulty hard drive may be lost in SINGLE, JBOD, or RAID 0 modes.

• Can TNAS be used on both Mac and Windows PC?

  TNAS is a networked storage device that connects to a computer device or mobile device via a network protocol, so users of either Mac, Windows PC, Linux, or Android and iOS mobile devices can use TNAS.

• How big is the fan noise of D2-310/D4-310/D4-300/D5-300?

  D2-310/D4-310/D4-300/D5-300 adopts a low noise fan of only 15dB, which is only noticed when in a very quiet environment. 

• Can D2-310/D4-310/D4-300/D5-300 increase the number of hard drives later？

  Yes, but only in the SINGLE Disk mode.

• Can I access TNAS using Telenet or SSH?

  Yes. Telenet and SSH access are off by default and you need to turn them on yourself.

• What should be done as to the slow transmission speed of TNAS?

  If users find that the transmission speed (reading/writing) of TNAS is far lower than the official test values, it indicates that the TNAS device or network connection has abnormal situation. Please exclude exception one by one according to the instructions below:
  1.The computer uses wireless network. The transmission speed will be greatly reduced if computer users use wireless network for data transmission. To ensure a sufficient transmission speed, we recommed using a wired network.
  2.Hard drive failure. Data transmission speed will be affected when the hard drive within TNAS fails.
  3.Network failure. Please check if the network connection to the network cable, router or Switch port is normal.
  4.Computer failure. If the computer invaded by viruses or the computer network card fails, data transmission speed will be affected.

• During proper use, why does the hard drive suddenly make the mistake that it can read but not write?

  Maybe your hard drive is in ExFAT format and you conducted an abnormal operation, such as unplugging the USB cable, removing the hard drive, or suddenly shut down the power before the product is ejected properly from the computer, and thus the hard drive may make an error where it can read but not write. In order to prevent damage or loss of data to the hard drive, please be prudent in your operation and make sure RAID storage devices eject normally from the computer before you remove the USB cable and hard drive and shut down the power. If the above scenario happens, please try to reboot the device.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Does D2-310/D4-310/D4-300/D5-300 come with backup software?

   No.

• If you want to copy files, use Windows Explorer and file manager in TOS, which copy speed?

  Windows Explorer uses the samba file service, which is faster. Use Windows Explorer.

• Do I have to configure RAID?

  No, you don't have to. You can configure the drives as single disk or JBOD mode.

• Does TNAS support Time Machine?

  TNAS supports Time Machine, and you can use TNAS as a data backup and multimedia server for your Mac.

• Was it difficult to set up and install TNAS when it first started?

  It is very simple. TerraMaster provides users with very clear and quick installation instructions that can be followed in just a few minutes. TerraMaster also provides assistive software to help users use TNAS more easily.

• How can Windows computer users access TNAS shared folders?

  There are some ways of Windows computer users to access TNAS shared folders:

  Method 1: Access through TNAS desktop application. Click File Manager and input user’s name and password to access TNAS shard folders. Users can choose to log in either as admin or other users.

  Method 2: Access through IP address. Double click My Computer on computer desktop, and directly input the IP address of TNAS such as 192.168.1.100 in the address bar, then input user’s name and password to access TNAS shared folders. Query of the IP address of TNAS is available through TNAS applicatione.

  Method 3: Access by creating a shortcut. For the purpose of easy access, users can create a shortcut for the TNAS shared folders. Operation method: Users can right click the blank space on desktop and select Create> Shortcut, and then input the IP address of TNAS such as 192.168.1.100 in the pop-up menu to finish shortcut creation. Later, users can access TNAS shared folders by double clicking the shortcut and inputting user’s name and password.

• Can the cpu of TNAS be update?

  Only some of the high-end rack-mount models can upgrade the CPU.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Why can’t the HDD’s in tray 1 and 2 in the D5-300C be created RAID by other 3rd party software, but HDD’s in tray 3, 4 and 5 can?

  The D5-300C has the RAID controller to control the RAID for HDD’s in tray 1 and 2. If these two HDD’s were created RAID by 3rd party software, the RAID controller would be incompatible with the one D5-300C already has. And as there is no RAID controller for the HDD’s in tray 3, 4 and 5, these three HDD’s are supported to use 3rd party software to create RAID.

• What is TOS? Why does TNAS need TOS？

  As the abbreviation of TerraMaster Operating System, TOS is a Linux-based platform operating system specially developed for TNAS storage device. TOS provides smart and friendly user interface that has built-in applications suitable for home, office and enterprises that can help users realize storage management, safe backup, permission management, multimedia entertainment, space sharing, remote access, download and other functions. 

• Can I use a non-NAS hard drive in TNAS?

  Yes. But this is the wrong choice! NAS takes 7 x 24 hours to work. To keep your data safe, be sure to use a hard drive designed specifically for NAS.

• How to use TV to watch multimedia in TNAS?

  TNAS is a DLNA-compliant network device. If your TV is also a DLNA-compliant smart TV, you can use the DLNA function of smart TV to access TNAS.

• Does D5-300 support single hard drive used with data?

  D5-300 does not support single hard drive. Single hard drive is recommended using TerraMaster D4-310 or D2-310.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Can D2-310/D4-310/D4-300/D5-300 create non-RAID storage?

  Yes! The factory default mode of D2-310/D4-310/D4-300/D5-300 is SINGLE Disk, which means that non-RAID mode and each hard drive can be used separately. 

• why are the HDD indicator lights red all the time and no way to install TOS?

  This may be due to that there are non TerraMaster system files in the HDD’s and results in that the NAS cannot normally boot up. Please power off the NAS, take out the HDD’s and all the other external HDD’s or U disks attached to the NAS device, and then power on the NAS,  wait for about 2 minutes, and install the HDD’s, after that, try to search the NAS device by the TNAS client software. 

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Are hard drives employed in other storage devices compatible with D2-310/D4-310/D5-300C/D5-300?

  In general, yes, but TerraMaster DAS may not be compatible with hard drives run on other devices because not all storage devices have the same RAID configuration. In such an event, the computer should be commanded to execute initialisation and formatting of the hard drives once these have been installed on the TerraMaster DAS device.

• How do I turn off the buzzer in a beep?

  Log in to TOS as an administrator and turn it off by clicking the buzzer button in the upper right corner of the TOS desktop.

• How do I find the IP address of TNAS in the network?

  Please download and install TNAS PC Desktop APP. TNAS PC will help you find the IP address of TNAS.

• Is TNAS noisy at work?

  The device itself is very quiet, but the hard drive is noisy to work with. If you have a high demand for noise, it is recommended that you use a hard drive with low noise, such as a Seagate Wolf Drive.

• Can D2-310/D4-310/D4-300/D5-300 install SATA III hard drives?

  Yes.

• If I insert a hard disk with data in NTFS format or FAT 32 format in TNAS, can the hard disk be used directly? Will it be reformatted by the system?

  No, it can't be used! All hard drives inserted into TNAS will be reformatted to EXT 4 or Btrfs format.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Can I connect to TNAS using Wi-Fi?

  Yes. However, additional USB Wi-Fi dongle is required, please purchase the specified model officially from the TerraMaster. 

• Can WD Purple be installed in D2-310/D4-310/D4-300/D5-300 to store video surveillance?

  Yes.

• I installed two hard drives in TNAS and set them up as two separate single disks. Why can't I see two hard drives at the same time in Windows File Browser?

  TNAS storage space is rendered as shared folder, not as drive, so you can't see multiple hard drives at the same time in Windows File Browser. 

• Why can't I click "next" after selecting the TOS installation package if I choose to install TOS manually during the initialization?

  TNAS software may be incompatible with your browser, please try another browser.

• Does TNAS support hard drive hot-swappable?

  Yes.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• TNAS does not have a display output interface. How can I watch the content in TNAS on my computer or TV?

  TNAS is a networked storage device that cannot output content directly to a computer or TV. If you need to view content in TNAS, your computer or TV needs to be connected to TNAS over the network.

• Can the sleep function of D2-310/D4-310 be disabled?

  No. 

• How to enable TNAS.online remote access permission to for users?

  Administrator (admin) does not have privileges to allow or deny users remote access to TNAS. All users including Admin could remotely access TNAS via TNAS online when TNAS online is enabled. Admin could only set the permissions (as read only, read and write , deny) for users to access different shared file folders.

• What is TNAS PC desktop application? What is the purpose of TNAS PC desktop application?

  TNAS PC desktop application is an application sofware specially designed for TNAS, and it has two versions of Windows computer and Mac computer. TNAS PC application has various functions such as smart search, smart IP address matching, TOS login interface, file management, remote access interface and help, which is a right-hand man for TNAS users.

• What is the difference between SINGLE Disk and JBOD?

  SINGLE Disk: Each hard drive is separate and they display separately in the computer without any correlation between each other.
  JBOD: All hard drives are combined into a linear disk (just a bunch of disks), and one disk space is displayed in the computer.

• How do I add a memory stick to TNAS?

  Since the TNAS motherboard is hidden inside the chassis, when you want to add a memory stick, you need to unscrew the chassis with a screwdriver to open it, install the memory stick into the slot and close the chassis. When installing the memory stick, make sure that the memory stick is installed in place, otherwise the system will not boot.

• Can the USB port of TNAS be connected to the printer?

  No.

• Does TNAS support video transcoding?

  Only some models support video transcoding. Please check the official website specifications before purchasing.

• Does TNAS have to be connected to the Internet to work? I just want to use it on my local network. Can I not connect to the Internet?

  If you do not need remote access to TNAS or backup data to the cloud, your TNAS is not connected to the Internet. When you need to update the TOS software, you need to use manual update, can not choose online update. 

• What kind of hard drives is suitable for installation into TNAS?

  TNAS can install 2.5 inch SATA hard drive, 3.5inch desktop SATA hard drive or 2.5 inch SSD. Since TNAS is kind of storage device that needs to work long hours, even work for 24 hours a day and seven days per week, so not all kinds of hard drives are suitable for TNAS because of high demand on hard drive and. Improper hard drive may lead to data lost and even unusable product case. At present, the desktop hard drive in the market includes the following categories:

  Desktop hard drive: desktop hard drive is designed for installing desktop computer with one hard drive. Desktop hard drive is relatively affortable that have no vibration protection and error correction capability, which is more prone to damage or loss of data on RAID. As a result, we do not recommend using desktop hard drive in TNAS.

  Enterprise hard drive: enterprise hard drive is frequently produced with more advanced technology and excellent components to provide better performance, POH, MTBF, vibration protection and error correction capability. Enterprise hard drives apply to large amounts of data reading and transmission. It indicates that enterprise hard drive is more applicable to enterprise with large number of employees to access files, data servers or virtual storage systems at the same time. Enterprise hard drive is suitable for use in TNAS but it costs higer.

  NAS hard drive: it is specially designed for NAS storage system. Compared with desktop hard drive, NAS hard drive has better durability, more balanced performance and power consumption. Compared with enterprise hard drive, NAS hard drive is more affordable, and is ideal for NAS users.

  Surveillance hard drive: In order to meet the demand of all-weather long vedio, surveillance hard drive is ideal for sequential writes but it has low random-access performance. We do not recommend using it for users without demand of surveillance vedio.

  Please visit the official website of TerraMaster to read the contents of Hard drive Compatibility to select a proper hard drive for TNAS.

• What is the maximum number of users allowed to access TNAS simultaneously?

  8 ~ 1024 users, different models allow different user values. Please refer to the official specifications.

• Does D2-310/D4-310/D4-300/D5-300 need to be full of hard drives to use?

  No. Onlynot less than one hard drive needs to be installed in D2-310/D4-310/D4-300/D5-300.

• Can you tell me whether D2-310/D4-310/D4-300/D5-300 supports hot-swappable hard drives?

  They all support it.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Can newly purchased TNAS be immediately used?

  No! Newly purchased TNAS cannot be used prior to the completion of initialization, which include the followings:
  1. Install the hard drive (in case that the hard drive is not installed in your purchased TNAS).
  2. Download and install TNAS desktop application.
  3. Update TOS software.
  4. Creat RAID and format it
  TNAS is ready to be used after above steps are completed.

• Is the USB of D2-310/D4-310/D4-300/D5-300 compatible with USB 3.0 or USB 2.0?

  Yes.

• Does TNAS support VPN servers?

  Yes, for some models.

• How many hard drives are required to be installed in the TNAS?

  TNAS has multiple models that can be divided into 1 bay, 2 bays, 4 bays, 5 bays and 8 bays in accordance with the maximum number of hard drives loaded. Number of installed hard drives can be determinated based on actual needs of users, and TNAS can be used normally as long as users install at least 1 hard drive. Number of hard drives installed by users can be less than the maximum bay, and can be added later. However, for users who need to use RAID function, RAID should be recreated when adding hard drives. This operation will delete original data on the hard drives, so users need take notice of backup data with caution.

• Can TNAS support multiple users to log in with the same username and password?

  Yes.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Can TNAS create and manage multi-user and user groups?

  Yes. TNAS has full rights management, you can set access permissions for users, user groups, and shared folders.

• I built RAID 5 with three hard drives. Can I add more drives to the array in the future?

  Yes. You can do this by extending the array without affecting the data.

• What is TNAS desktop application? What is the purpose of TNAS desktop application?

  TNAS desktop application is an application sofware specially designed for TNAS, and it has two versions of Windows computer and Mac computer. TNAS application has various functions such as smart search, smart IP address matching, TOS login interface, file management, remote access interface and help, which is a right-hand man for TNAS users.

• Can two or more sets of RAID be created in D5-300/D4-300?

  D5-300/D4-300 only supports one set of RAID! Creating two or more sets of RAID may cause RAID errors and data loss on the hard drive.

• How does the computer remotely login to TNAS?

  Computer remote login means that users use computer to log in and manage TNAS device in different place via internet. TNAS device must be connected with internet in order to realize remote access. There are two methods of remote login to TNAS of computer users: TNAS.online login and DDNS login:
  1. Remote login via TNAS.online. Administrator need to enable TNAS online remote access before using the function.
  To Set Up TNAS.online:
  1.Go to TOS Desktop> Remote Access> TNAS.online;
  2.Check "Enable TNAS.online remote access";
  3.Register a "TNAS ID" and remember your TNAS ID. TNAS ID is the unique ID bound to your TNAS device. If the ID you entered is already in use, please try another one;
  4.Click "Apply". To use TNAS.online on either a Windows or a Mac computer, please enter TNAS.online/TNAS ID in the browser address bar, if your TNAS ID is Jack2010, please enter "TNAS.online/Jack2010".
  2.Remote login through DDNS. DDNS is the abbreviation of Dynamic Domain Name Server. DDNS should be set and used according to the following steps: The following are DDNS setting and the use steps
  1.Go to TOS Desktop> Remote Access> DDNS;
  2.Check "Enable DDNS";
  3.Select a DDNS server;
  4.Please fill in the information obtained when registering the DDNS service;
  5.Click "Apply";
  6.When the TNAS setup menu indicates "Connected", DDNS has been successful set up.
  To Use DDNS for Remote Access (Windows and Mac computers apply):
  1.Please enter the domain name and port number (given by your DDNS provider) into your browser's address bar, then hit "Enter";
  2.Enter your TNAS username and password, then click "Login".

• Can we use two hard drives to create RAID 1 (mirror) and the other hard drives in SINGLE Disk mode in D4-300/D5-300?

  No. D4-300/D5-300 does not support two or more RAID, and hard drive data may be lost if two or more RAID are created in D4-300/D5-300.

• Can I set up a private folder in TNAS that is separate from my work profile so that no one else can see it?

  Yes. The TOS is equipped with full rights management. You can set access permissions for your private shared folders, only you have access to them.

• Does TNAS support SSD cache? What kind of SSD should I choose?

  Yes. Common SATA SSDs are eligible for use.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Why can't my mailbox receive the verification code?

  Please check your junk mail. The email with the verification code may also have been blocked by your POP server. Please try again using a different email address. If you are still unable to receive the verification code, you may skip to the next step.

• Can I set Jumbo Frames? What value can I set?

  TNAS's Jumbo Frames use an adaptive configuration with values ranging from 1500 to 9000 bytes.

• Can TNAS be used as a USB external hard drive?

  No. TNAS is a networked storage device that cannot transmit data directly to a computer via a USB interface. You need to transfer data over a network. The USB interface of TNAS is used only for external USB storage devices. 

• Can I set up a mail server using TNAS?

  Yes.

• What is TNAS？

  TNAS is TerraMaster NAS products collectively.

• Can any video stored in TNAS be played in any format?

  No. The compatibility of the video format depends on the performance of your playback device. If you purchase TNAS with video transcoding function, you can transcode the video format that is not compatible with your playback device into a compatible video format. For details, please consult the product specification.

• Is the hardware or software array used by TNAS?

  TNAS uses software arrays. Almost all enterprise-class NAS use software arrays that work perfectly and you don't have to worry about it.

• Can I install an Apache server in TNAS?

  Yes. Please go to the TOS Application Center to download the app.

• Can TNAS be used as a storage device for surveillance cameras?

  Yes. Since TOS does not have an app to manage surveillance for a while, it just stores the video stream sent by the camera.

• What hard drives are supported by D2-310/D4-310/D4-300/D5-300?

  The requirements of D2-310/D4-310/D4-300/D5-300 for hard drives is not high, so various types of SATA hard drives can be used, including 3.5 inch SATA II/III hard drives (WD Green, WD Red, WD Purple, WD Black, NAS disk, Enterprise disk, and others), 2.5 inch SATA II/III hard drives, and 2.5 inch SATA SSD. However, if it is required to create RAID, it is recommended to use the same brand and type of hard drive.

• Where to download or update TNAS desktop application?

  There is a Download Center on TerraMaster official website, where users can free download information such as Quick Start Guide, Manuals and so on. Users just need to select product model in Download Centre that indicates all available software and information of the model for download. As TNAS application has the online update function, when a new version software is released, users will be promted and users can complete it following the guide as long as they follow the guide.

• What is the input voltage range of the power supply of D2-310/D4-310/D4-300/D5-300?

  The power adapter is universal 100~240V.

• What should TNAS users do when forgetting their passwords?

  In this case, users should contact with the administrator, and after the administrator reset user password, users can relogin with the new password.
  

• Can I connect a USB drive to a USB port on the TNAS and then play the multimedia files in the USB drive from Plex?

  Yes.

• Can TNAS RAM be upgraded?

  Some models do, some don't, check the official spec sheet before you buy. For models that can upgrade RAM, 2GB can be upgraded to 4GB and 4GB can be upgraded to 8GB, but you must use the memory stick provided by TerraMaster, otherwise the system may not boot properly.

• Can D2-310/D4-310/D4-300/D5-300 connect to my router and can I access it through the Wi-Fi?

  Yes, if your router supports the function.

• Can TNAS be used as a cloud disk and can I access it from anywhere using the internet?

  Yes.

• Can TNAS stream 4K video?

  Yes, but it depends on your playback device. If your playback device is not compatible with 4K video, select a TNAS model that supports transcoding.

• Can I continue to use the hard disk when it is detected as being in bad condition or high risk during the initialization of TNAS device?

  For the security of your data, please change the hard disk immediately.

• Why can't TNAS PC application search TNAS device?

  Reason 1: TNAS device is not within the same network as the computer. Please make sure TNAS is in the same network as the computer.
  Reason 2: Firewall has been enabled on the computer. Please close the firewall and try again.
  Reason 3: Two or more network cards may be in use. Please use only one and disable the other ones.
  Reason 4: A system file exists in the hard disk which led to failure of the normal start of TNAS. Please pull out all hard disks, insert them again two minutes after rebooting TNAS, and try again.
  Reason 5: A VPN service is enabled in your computer. Please disable VPN service and try again.

• How many RAID modes does TerraMaster D5-300 support?

  D5-300 just support RAID0 and RAID5 to create, and we suggest to use RAID5 for safer data storage.

• Can D2-310/D4-310/D4-300/D5-300 be used with Windows and Mac computers?

  Yes, only when the hard drive is in ExFAT format. A hard drive in ExFAT format easily fails to read and write during abnormal operations. For example, you pull out the USB cable, remove the hard drive, and shut down the power suddenly before the product is ejected properly from the computer, and thus the hard drive may make an error where it can read but not write. Therefore, we do not recommend using ExFAT format. In order to avoid damage to the hard drive or loss of data when using ExFAT format, please be prudent in your operation to make sure RAID storage devices eject normally from the computer before you remove the USB cable and hard drive and shut down the power. If the above scenario happens, please try to reboot the device.

  The hard drive can read but not write in Mac computers when it is formatted into NTFS.

• Can hard drives of different capacities be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Which way does TNAS connect to the network? Is it wired or wireless?

  TNAS connects to the network through a network cable by default. You can also add Wi-Fi dongle to use a wireless network. However, due to the limited bandwidth of the wireless network, it is recommended that you use a wired connection to TNAS for your better experience.

• Does TNAS support Bitorrent downloads?

  Yes. Please install Transmission in the TOS Application Center, which is an APP dedicated to downloading torrents.

• How can Windows computer users access TNAS shared folders?

  There are some ways of Windows computer users to access TNAS shared folders:
  Method 1: Access through TNAS desktop application. Click File Manager and input user’s name and password to access and manage TNAS shard folders. Users can choose to log in either as admin or other user identities.
  Method 2: Access through IP address. Click Go to> Connect to Server on the desktop of Mac computer, input the IP of afp://NAS or smb://NAS such as afp:// 192.168.1.100 or smb:// 192.168.1.100 in the server address and click connect. In the next menu, input user’s name and password to access the TNAS shared folders.

• Can I use TNAS to back up my iPhone, iPad and Mac mini?

  Yes. You can use the TNAS mobile app to back up your iPhone and iPad, and Time Machine to back up your Mac mini. 

• What specifications is the power supply used by TNAS? Can I buy another one?

  In order to avoid product damage, it is recommended that you use the original power supply. If you need to purchase another power supply, please contact our customer service staff.

• Why are hard drives installed on TerraMaster DAS not recognised by computers with Windows XP operating system?

  This is likely caused by the fact that the hard drive installed on TerraMaster DAS has a capacity exceeding 2TB, which is unrecognised by Windows XP OS. If this is the case, another OS should be used. A 64-bit system is recommended for hard disks with large capacity, as hard drives with a capacity exceeding 6TB are not recognised by some 32-bit systems.

• Can D2-310/D4-310/D4-300/D5-300 install SATA III hard drives?

  Yes.

• Which USB external storage device file formats does TNAS support?

  The file formats for USB external storage devices can be FAT 32, NTFS, EXT 3, EXT 4.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Does TNAS support a 32TB disk volume?

  Yes. You can create a JBOD array using four 8TB hard drives.

• Can I connect a USB external hard drive to TNAS and share it on the network?

  Yes.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• What should TNAS users do when forgetting their passwords?

  What should be done when users forget the password and can not login TNAS? In this case, users should contact with the administrator, and after the administrator reset user password, users can relogin with the new password.

• Can user name and password of TNAS administrator be changed?

  Administrator’s username is admin and the initial password is admin as well. Users can change the password of administrator but cannot change the administrator’s username.

• Can I use an SSD? Can I use an SSD to increase my speed?

  Yes.

• Does TNAS support Plex transcoding?

  Most TNAS models support the Plex transcoding feature, check the official specifications before you buy.

• What to do if formatting the hard disk fails during the initialization of TNAS?

  The hard disk may be defective. In this case, please pull out all hard disks, repair the defective hard disk or replace it with a new one, and insert all hard disks two minutes after rebooting the TNAS. Then try to carry out initialization again.

• Can user name and password of TNAS administrator be changed?

  Administrator’s username is admin and the initial password is admin as well. Users can change the password of administrator but cannot change the administrator’s username.

• How to power off D2-310/D4-310/D4-300/D5-300?

  Press the power button for 3 seconds. 

• Can we use Disk Utility to manage D2-310/D4-310/D4-300/D5-300?

   Yes.

• When the hard disk is used in TNAS, how to update the firmware of the hard disk?

  It is recommended that when you upgrade the hard disk firmware, remove the hard disk from TNAS and plug it back into TNAS after the upgrade is complete. 

• What computers can use D2-310/D4-310/D4-300/D5-300?

  D2-310/D4-310/D4-300/D5-300 can be used with Mac, Windows, and Linux computers.

• Can other versions of linux or other open source NAS systems be installed in TNAS?

  TNAS is running a TOS system developed by TerraMaster and is not compatible with other systems. It is not recommended that you install other operating systems in TNAS, otherwise warranty service will fail and technical support will not be available.

• Can I install M.2 SSD in TNAS? What capacity can I install?

  TNAS does not supports M.2 SSD.

• Is the USB of D2-310/D4-310/D4-300/D5-300 compatible with USB 3.0 or USB 2.0?

  Yes.

• Can SSD be installed in D2-310/D4-310/D4-300/D5-300?

  Yes.

• Will TNAS's TOS operating system be updated?

  Yes, TNAS's operating system, TOS, is kept up to date.

• Can we use D2-310/D4-310/D4-300/D5-300 as the backup of Mac Time Machine?

   Yes.

• Can a hard drive used in other storage devices be installed into D2-310/D4-310/D4-300/D5-300 for use?

  If you install an old hard drive used in other storage devices, the computer may not identify your old hard drive because RAID configuration for various storage devices is incompatible. If this happens, please install the hard drive to initialize and format it, then try again.

• Does D2-310/D4-300/D5-30 require installation of an NAS hard drive?

  The requirement of D2-310/D4-310/D4-300/D5-300 for hard drives is not high, so various types of SATA hard drives can be used, including 3.5 inch SATA II/III hard drives (WD Green, WD Red, WD Purple, WD Black, NAS disk, Enterprise disk, and others), 2.5 inch SATA II/III hard drives, and 2.5 inch SATA SSD. However, if it required to create RAID, it is recommended to use the same brand and type of hard drive.

• How many hard drives are needed to create RAID5 by D5-300? What’s the requirement for the hard drives?

  D5-300 is required to use five hard drives to create RAID5, which can get the best property. Creating RAID need to use hard drives with same brand and capacity and consistent model.

• Does TNAS support UPS?

  Yes. Please check the rated power of TNAS on the official website before purchasing UPS.

• Why can't I install TNAS PC application on some computers with Windows operating system?

  Framework is required for installing TNAS PC application on Windows operating system. An installation failure of TNAS PC application will occur if no framework is found in the Windows operating system. In this case, please install framework 4.5 or higher version before installing TNAS PC application.TNAS PC only supports Win 7 OS or later version.

• How can data be recovered in the event of hard drive failure following configuration of D4-310/D2-310/D5-300/D5-300C to RAID 1 or RAID 5 array?

  Data can be recovered based on the following steps: 1. The dysfunctional hard drive should be replaced when TerraMaster DAS is powered on and connected to the computer, with the capacity of the new hard drive being the same or greater than that of the dysfunctional one; 2. Following replacement of the dysfunctional hard drive, data recovery will occur automatically, the recovery time depending on the hard drive's capacity. Both TerraMaster DAS and the computer must be kept powered on during this process; 3. During data recovery, orange flashing will be displayed by the indicator light of the new hard disk; 4. Finalisation of data recovery will be indicated by the normally-on status of every hard disk.

• How can I use Apple TV to view multimedia files in TNAS?

  It is recommended that you install a DLNA-enabled media player in Apple TV, use the player to connect TNAS and play multimedia in TNAS, such as VLC player.

• Does D2-310/D4-310/D4-300/D5-300 model support an 8TB hard drive?

   Yes.

• How to remotely access to TNAS mounted under secondary router?

  When TNAS is mounted under the secondary router or multi-level router, the subnet of each level router is different, which makes the address of TNAS cannot be recognized and users can not conduct remote access. The followings are setting ways of secondary routers.
  Step 1: Set up the primary router. Find DMZ project in the settings menu of primary router. Please enable DMZ Besides, input the IP address of the secondary router in the bar and click Save.
  Step 2: Set up the secondary router. Find and initiate DMZ in the settings menu of the secondary router. Please enable DMZ and input the IP address of TNAS in the bar and click Save.

• Does D2-310/D4-310/D4-300/D5-300 support Plex?

  D2-310/D4-310/D4-300/D5-300 can act as storage space for Plex multimedia server, but you will need to install Plex media server software on your computer.

• Why can't TNAS boot after I add a memory stick?

  Please make sure that you are using the RAM stick provided by the official TerraMaster, or the system may not boot. Also, please make sure that the RAM stick is correct and fully seated in the slot.

• Is TNAS compatible with the DLNA protocol?

  Yes.

• Can I view and edit word / excel office documents online without having to download them to a computer?

  Not for the time being. If you need to edit, please download it to your computer first.

• Can I use a USB interface to transfer data, or do I have to use a network interface?

  You can only use a network interface to transfer data.

• Can multiple users in the home stream multimedia from TNAS at the same time?

  Yes, but performance may be affected.

• What should I do if TNAS initialization fails due to an unexpected power outage?

  First, turn off TNAS, remove all hard drives from TNAS, and then power on. Use the TNAS PC client software to search for TNAS devices, click "Login", insert the hard drive when the screen says "No hard drive detected.", and then follow the prompts to complete the remaining steps.

• If TNAS fails, can I remove the hard drive and install it in another hard drive box to read the data?

  No. The file system of TNAS is not recognized by other hard disk cartridges. You need another TNAS that works well to read the data on the hard disk. 

• Does TNAS automatically shut down or hibernate when not in use?

  Yes. When TNAS is not in use for 30 minutes, the hard drive goes into hibernation mode and the system goes into power-saving mode, but this feature requires you to set it up yourself in the Control Panel.

Which NTFS permission for a folder is defined as enabling you to read write and delete both files and subfolders?

Which of the following user accounts are created automatically and disabled by default when Windows is installed?

Which of the following best meets the requirements of a strong password?

Which of the following is a hardware component used to hold BitLocker encryption?