How to Choose the Right Data Recovery Software for NAS Buffalo TeraStation TS51210RH9612 Data

Has your NAS Buffalo TeraStation TS51210RH9612 suddenly lost its network drive and you’re unsure what to do next? Did the RAID array collapse, making your files inaccessible? Is the device throwing errors during startup? Perhaps you accidentally rebuilt the RAID array or several hard drives failed at the same time?

How to Choose the Right Data Recovery Software for NAS Buffalo TeraStation TS51210RH9612 Data
Data Recovery Tool

Buffalo TeraStation TS51210RH9612 NAS Data Recovery in 2025

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from an TeraStation TS51210RH9612. We’ll walk through the most common causes of failure and demonstrate proven methods to restore files from a lost or degraded RAID array.

How to Choose the Right Data Recovery Software for NAS Buffalo TeraStation TS51210RH9612 Data

RAID Recovery™ 2.8
Recover data from damaged RAID arrays inaccessible from a computer.
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Why Regular Data Recovery Tools Can’t Restore Files from RAID

Conventional hard drives store user data by writing it sequentially across the disk surface, which means an entire file is typically located on a single drive. In contrast, when data is written to a RAID array, each file is split into multiple fragments. These fragments are then distributed and written in sequence across all the drives in the array. Depending on the configuration, fragment sizes can range from 2 KB to 2 MB, so every file is physically stored across several disks at once.

This approach significantly increases read and write performance — after all, writing two halves of a 1 GB file to two drives simultaneously is much faster than writing the full 1 GB to a single disk. However, this same mechanism makes file recovery far more complex.

Different RAID levels use different methods to distribute and protect data. On top of that, manufacturers like Buffalo often add their own proprietary structures and variations. As a result, data can be written to disks in many different formats, and each requires a specific approach during recovery.

Can inadequate cooling or high ambient temperatures impact data loss risks for NAS Buffalo TeraStation TS51210RH9612 devices?

Yes, inadequate cooling or high ambient temperatures can impact data loss risks for NAS Buffalo TeraStation TS51210RH9612 devices. These devices are designed to operate within specific temperature ranges, and exceeding these ranges can lead to overheating and potential data loss.

Inadequate cooling can cause the internal components of the NAS device to generate excessive heat, which can lead to system instability, hardware failures, and data corruption. High ambient temperatures can exacerbate this issue, as the surrounding environment can further elevate the temperature inside the device.

To minimize the risk of data loss, it is crucial to ensure proper cooling for the NAS device. This can be achieved by placing the device in a well-ventilated area, away from heat sources, and using additional cooling mechanisms such as fans or cooling pads if necessary. Regularly cleaning the device's fans and vents to remove dust and debris can also help maintain proper airflow and cooling.

It is important to refer to the manufacturer's guidelines and specifications for the recommended operating temperature range of the specific NAS device model to ensure optimal performance and minimize the risk of data loss.

How to Remove Hard Disks from Your NAS and Connect Them to a PC

Although the NAS TeraStation TS51210RH9612 can be accessed over the network, you still need to remove its hard disks and connect them directly to a Windows PC. Only then can the recovery software properly scan and analyze the drives. Follow these steps:

  1. Power off the NAS and disconnect it from the power source.

    WARNING! Before removing any drives, carefully read the device manual. Improper actions may damage both the NAS enclosure and the hard disks in the RAID array.

  2. Remove the hard disks one by one, gently sliding each drive out of its slot. Remember that hard disks are highly sensitive: any impact or drop can cause serious physical damage.

  3. Label each hard disk according to its position inside the NAS. The order of the drives is crucial for correct RAID reconstruction.

  4. Connect the drives to your computer. In this video, we explain which ports you can use to connect hard disks and what to do if your PC does not have enough free connectors.

    Go to view
    How to Order Remote Data Recovery

    How to Order Remote Data Recovery

Step-by-Step Data Recovery with Hetman RAID Recovery

Hetman Raid Recovery

This program restores data from damaged RAID arrays and is fully compatible with Buffalo TeraStation TS51210RH9612. Each hard disk in the array contains technical metadata describing how files were written. When launched, Hetman RAID Recovery analyzes this metadata, automatically reconstructs the damaged array, and provides access to its contents. After that, you can browse the recovered disk and save your files. The program can also restore files that were accidentally deleted from the network drive.

Go to view
How to recover data from a Buffalo

How to recover data from a Buffalo

TeraStation TS51210RH9612 has 12 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 5;
  • RAID 6;
  • RAID 50;
  • RAID 60;
  • JBOD;

NAS supports:

  • exFAT, VFAT, FAT 12 / 16 / 32;
  • NTFS / ReFS;
  • APFS / HFS+;
  • Ext2 / 3 / 4 / ReiserFS / XFS / UFS / ZFS / Btrfs;
  • VMFS / HikvisionFS;

How to Safely Recover Data from Disk Images

This utility allows you to create a complete copy of a disk and work with the disk image instead of the physical drive. This approach helps protect your data from:

  • Overwriting during the recovery process;
  • Additional data loss caused by bad sectors;
  • User errors.

To create a disk image, follow these steps:

  1. Ensure you have enough free space to store the image. Its size will typically match the size of the original disk.

  2. In the main window, select the target disk and choose Tools - Save Disk. You can also select multiple disks if needed.

  3. When the Image Creation Wizard opens, select whether you want to save the entire disk or only a specific region. Adjust the settings and click Next.

    Hetman RAID Recovery: Image Creation Wizard

  4. Choose the directory where the image will be saved. You may select any available disk connected to your PC or upload the image via FTP.

    Hetman RAID Recovery: Choose a disk or save the image via FTP

Where Are the User’s Files Actually Stored?

The Buffalo TeraStation TS51210RH9612 network-attached storage keeps OS Linux operating system files on a separate RAID 1 (mirrored) array. Usually, all NAS systems create several volumes on every hard disk, and the first of them takes up to 2 Gb of space. This is where operating system files are stored. Other volumes are united into a RAID array where user’s data is written.

RAID Recovery Software: Detailed Comparison

Product Operating system RAID controller support Supported file systems Virtual RAID controller support Data recovery from damaged RAID File preview
Hetman RAID Recovery Windows, Linux, MacOS Yes, over 100 controllers FAT, exFAT, NTFS, ReFS, APFS, HFS+, Ext4, Ext3, Ext2, ReiserFS, Btrfs, VMFS, Hikvision, XFS, UFS, ZFS Yes Yes Yes
DiskInternals RAID Recovery Windows Yes, over 10 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
R-Studio Windows, Mac, Linux Yes, over 20 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
UFS Explorer RAID Recovery Windows, Mac, Linux Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
EaseUS Data Recovery Windows Yes, over 20 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
ReclaiMe Free RAID Recovery Windows Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes

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Comments (3)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 9.08.2022 12:31 #
    If you want to ask a question about data recovery, from NAS TeraStation TS51210RH9612, feel free to leave a comment!
    Reply
  • Bart Bovey
    Bart Bovey 2.09.2023 11:39 #
    Are there any specific software solutions for data recovery from NAS Buffalo TeraStation TS51210RH9612 devices with S.M.A.R.T. errors?
    Reply
    • Hetman Software
      Hetman Software 2.09.2023 11:59 #

      Yes, there are several software solutions available for data recovery from NAS Buffalo TeraStation TS51210RH9612 devices with S.M.A.R.T. errors. Some popular options include:

      1. EaseUS Data Recovery Wizard: This software is known for its ability to recover data from various storage devices, including NAS systems. It supports NAS devices from Buffalo, including TeraStation models, and can recover data even in the presence of S.M.A.R.T. errors.
      2. R-Studio: R-Studio is a comprehensive data recovery software that supports various NAS systems, including Buffalo TeraStation. It has advanced features and can handle S.M.A.R.T. errors during the recovery process.
      3. GetDataBack: This software is specifically designed for data recovery from NAS devices, including Buffalo TeraStation. It can recover data from devices with S.M.A.R.T. errors and offers a user-friendly interface.
      4. Stellar Data Recovery: Stellar is a well-known name in the data recovery industry. Their software supports NAS devices, including Buffalo TeraStation, and can recover data from devices with S.M.A.R.T. errors.

      It's important to note that data recovery from NAS devices can be a complex process, and it's recommended to consult with a professional data recovery service if the data is critical or if you're unsure about performing the recovery yourself.

      Reply
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What are the initial steps required to set up a NAS Buffalo TeraStation TS51210RH9612 at home?

    To set up a Buffalo TeraStation TS51210RH9612 at home, you can follow these initial steps:

    1. Unpack the NAS: Start by unpacking the TeraStation and ensure that all the necessary components are included in the package.
    2. Connect the NAS to the network: Connect the NAS to your home network using an Ethernet cable. Plug one end of the cable into the NAS's Ethernet port and the other end into your router or switch.
    3. Power on the NAS: Connect the power adapter to the NAS and plug it into a power outlet. Turn on the NAS by pressing the power button.
    4. Access the NAS Dashboard: Open a web browser on your computer and enter the default IP address of the NAS in the address bar. The default IP address can usually be found in the user manual or on the sticker attached to the NAS. Press Enter to access the NAS dashboard.
    5. Configure network settings: Once you access the NAS dashboard, you may need to configure the network settings. Set a static IP address or use DHCP depending on your network configuration.
    6. Create a RAID array: If you want to use RAID for data redundancy or performance, you can create a RAID array using the NAS dashboard. Select the appropriate RAID level and follow the on-screen instructions to create the array.
    7. Set up user accounts and permissions: Configure user accounts and permissions to control access to the NAS. Create user accounts for yourself and other users, and assign appropriate permissions to folders and files.
    8. Configure shared folders: Create shared folders on the NAS to organize your files. You can set access permissions for each shared folder to control who can read, write, or modify the files.
    9. Enable additional features: The Buffalo TeraStation offers various additional features such as backups, cloud integration, and media streaming. Explore the NAS dashboard to enable these features according to your requirements.
    10. Test and access the NAS: Once you have completed the initial setup, test the NAS by transferring some files and accessing them from other devices on your network. You can map the NAS as a network drive on your computer or use Buffalo's NAS Navigator software to access the NAS easily.

    Remember to consult the user manual or Buffalo's support website for specific instructions and troubleshooting tips for your model of TeraStation.

  • What are the key considerations to keep in mind while configuring the network settings for the NAS Buffalo TeraStation TS51210RH9612?

    When configuring the network settings for the NAS Buffalo TeraStation TS51210RH9612, there are several key considerations to keep in mind:

    1. IP Address: Assign a unique IP address to the NAS device that is compatible with your network. Ensure that the IP address does not conflict with any other devices on the network.
    2. Subnet Mask: Set the subnet mask to match the subnet of your network. This ensures proper communication with other devices on the network.
    3. Default Gateway: Specify the IP address of the default gateway, which is typically the router on your network. This allows the NAS to access resources on other networks.
    4. DNS Servers: Enter the IP addresses of the DNS servers provided by your Internet Service Provider (ISP) or use public DNS servers like Google DNS (8.8.8.8, 8.8.4.4). DNS servers are required for domain name resolution.
    5. Network Speed and Duplex: Configure the network speed and duplex settings to match the capabilities of your network infrastructure. It is recommended to use auto-negotiation, but you can also manually set the speed and duplex if necessary.
    6. VLANs: If your network utilizes VLANs (Virtual Local Area Networks), configure the NAS to be a part of the appropriate VLAN.
    7. Jumbo Frames: Enable jumbo frames if your network supports it. Jumbo frames increase the maximum transmission unit (MTU) size, resulting in improved network performance for large file transfers.
    8. Port Forwarding: If you want to access the NAS from outside your local network, configure port forwarding on your router to allow incoming connections to the NAS.
    9. Security: Set strong passwords for the NAS administration account and enable any available security features, such as firewall settings or encrypted connections (HTTPS).
    10. Firmware Updates: Regularly check for firmware updates for the NAS device and apply them to ensure you have the latest security patches and feature enhancements.

    Remember to consult the user manual or documentation provided by Buffalo for specific instructions on configuring the network settings for the TeraStation TS51210RH9612 model.

  • Could you provide a step-by-step guide on how to create user accounts and set up file sharing on the NAS Buffalo TeraStation TS51210RH9612?

    To create user accounts and set up file sharing on the NAS Buffalo TeraStation TS51210RH9612, follow these step-by-step instructions:

    Step 1: Connect the NAS to your network

    • Connect the TeraStation to your network using an Ethernet cable.
    • Power on the TeraStation and wait for it to boot up.

    Step 2: Access the TeraStation interface

    • Open a web browser on a computer connected to the same network as the TeraStation.
    • Enter the IP address of the TeraStation in the browser's address bar. The default IP address is usually "192.168.11.150".
    • Press Enter to access the TeraStation's web interface.

    Step 3: Log in to the TeraStation

    • Enter the default username and password. The default username is "admin", and the default password is "password". Click on the "Login" button.

    Step 4: Create user accounts

    • In the TeraStation's web interface, navigate to "Users and Groups" or "Management" section.
    • Click on "User" or "Add User" option to create a new user account.
    • Enter the desired username, password, and any other required information.
    • Click on the "Apply" or "Save" button to create the user account.

    Step 5: Set up file sharing

    • In the TeraStation's web interface, navigate to the "Shared Folders" or "Shared Folders/Shared Folders" section.
    • Click on "Add Shared Folder" or "Create Folder" option to create a new shared folder.
    • Enter a name for the shared folder and specify the desired settings such as access permissions, user/group access rights, etc.
    • Click on the "Apply" or "Save" button to create the shared folder.

    Step 6: Grant access to user accounts

    • In the TeraStation's web interface, navigate to the "Shared Folders" or "Shared Folders/Shared Folders" section.
    • Locate the shared folder you created in Step 5 and click on the "Access Restrictions" or "Permissions" option for that folder.
    • Select the user accounts you want to grant access to the shared folder, and specify the desired access rights (read-only, read/write, etc.).
    • Click on the "Apply" or "Save" button to save the access settings.

    Step 7: Connect to the shared folder

    • On a computer connected to the same network, open the file explorer or finder.
    • Enter the IP address of the TeraStation in the address bar, preceded by "\" (e.g., "\192.168.11.150").
    • Press Enter to connect to the TeraStation.
    • You should now see the shared folders you created in Step 5. Double-click on the desired shared folder to access its contents.

    That's it! You have successfully created user accounts and set up file sharing on the NAS Buffalo TeraStation TS51210RH9612.
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