TOS 7.1 Insider Preview Program
Posted: 09 Nov 2026, 13:49
Experience TOS 7.1 and Win Exciting Prizes!
TOS 7.1 Smarter. Safer. Better!
After more than 200 days of dedicated development and the collaborative efforts of 100+ engineers, TerraMaster's all-new TOS 7.1 is almost here!
Featuring 40+ new features and 1,000+ refinements, TOS 7.1 delivers a comprehensive upgrade, from underlying technologies to the overall user experience.
A brand-new AI-powered experience takes center stage, transforming your NAS from a simple data storage device into an intelligent assistant that understands your needs, organizes your data, and helps you complete everyday tasks. With TOS 7.1, your NAS understands you better, bringing AI into your everyday NAS experience and ushering in a new era of intelligent storage!
Every improvement we make is made possible by the support and feedback of our users. That's why we're officially launching the TOS 7.1 Insider Preview Global Program, inviting a limited number of users worldwide to join our first round of beta testing.
We sincerely invite you to experience the new system ahead of its official release, share your honest feedback, and work alongside the TerraMaster product team to explore and refine a smarter, better NAS operating system!
Get early access to TOS 7.1. Every piece of feedback you share helps us make the product better!

Get a First Look at What's New! Seven Major Upgrades
1. AI-Powered Intelligence – A NAS That Understands You Better
Meet the all-new Terai AI intelligent assistant! Search for files using natural language, intelligently organize documents and photos, and even perform selected TOS system operations through conversations. From finding exactly what you need to managing your data intelligently, AI becomes your personal NAS assistant.
2. Enhanced Security – Multiple Layers of Protection
The firewall now supports bidirectional rule management, alongside new features such as SSH public key authentication, secure Vault privacy isolation, administrator password reset, and encrypted LDAPS connections. Enjoy safer data access and greater peace of mind when managing your device.
3. Greater System Stability – Smooth Performance Even Under Heavy Workloads
A new intelligent resource scheduling mechanism optimizes CPU, memory, and disk I/O allocation. Combined with ZRAM memory compression, accelerated media indexing, and faster thumbnail generation, TOS 7.1 delivers more stable and efficient performance when running multiple applications simultaneously.
4. Smarter Storage Management – More Efficient Batch Operations
Add multiple drives to a RAID array in one operation and create multiple storage pools consecutively, with synchronization tasks automatically queued and processed in the background. The homes directory and shared folders also support cross-volume migration, making storage expansion and data migration more flexible and convenient.
5. Up to 200% Faster Remote Access
Low-bandwidth mode is now automatically enabled for remote access, optimizing the login process and desktop loading experience. Enjoy smoother access even over weak or mobile network connections.
6. A Truly Global Experience – 26 System Languages
System language support has expanded to 26 languages. The interface has also been comprehensively optimized for right-to-left (RTL) languages, including Arabic and Hebrew. From navigation bar placement to icon orientation, every detail has been adapted to provide users worldwide with a more natural and intuitive experience.
7. More Improvements – Everyday Operations Made Easier
Rsync backup now supports SSH key authentication and host fingerprint verification. The Recycle Bin allows individual files within subfolders to be restored. The text editor adds Find and Replace functionality and support for multiple character encodings. Application configurations can also be managed centrally, making everyday administration more efficient.
These are just some of the highlights of TOS 7.1. There's much more to discover, and we can't wait for you to experience it firsthand!
Join the Insider Preview and Win Exciting Prizes!
We've prepared special rewards for users who actively participate in the TOS 7.1 Insider Preview program. The more valuable issues, suggestions, and feedback you submit, the better your chances of winning the First Prize!
First Prize: 15 Winners (Global)
Each winner will receive one TerraMaster D1 SSD Plus, valued at $90.
Participation Reward: All Eligible Participants
All users who complete the beta testing experience and submit valid feedback will receive a $50 discount coupon for selected products in the TerraMaster Official Online Store.
The coupon is valid only for designated products on the official website. Please contact official website customer support for eligible models and detailed redemption terms.
The winners are expected to be announced on the TerraMaster Forum on December 20, 2026. All participants will also receive an email notification regarding the results.
How to Participate
Registration → Eligibility Review → Receive the Insider Preview Version → Installation and Testing → Submit Feedback → Winner Selection → Prize Distribution
1. Eligibility Requirements
● You must own an x86-based TerraMaster TNAS device that supports upgrading to TOS 7.0.0746 or later.
● Your device must not be used for production workloads or store critical data. You must be willing to accept potential instability associated with pre-release software.
● You must be able to install and test the Insider Preview during the testing period and submit issues and suggestions as requested.
2. Submit Your Registration Email
Please send your registration email to the TerraMaster Product Team:
[email protected]
Email subject: TOS 7.1 Insider Preview Registration
Please include the following information in your email:
We will review your eligibility and notify you of the results by email. Please check your inbox regularly, including your spam folder.
4. Receive the Insider Preview Version
Once approved, you will receive the download link for the TOS 7.1 Insider Preview, along with relevant upgrade instructions.
5. Install, Test, and Submit Feedback
Follow the upgrade instructions to install and test the new system. Please send any issues you encounter, your experience using the system, and suggestions for improvement to [email protected]
Program Schedule
Registration: November 9–16, 2026
Eligibility Review and Insider Preview Distribution: November 17–20, 2026
Feedback Collection: November 21 – December 6, 2026
Winner Announcement: December 20, 2026
How to Win Prizes
Submit Your Feedback
Send any issues you discover, your user experience feedback, and suggestions for improvement to [email protected]
Increase Your Chances of Winning
First Prize winners are selected based on the quantity, quality, and practical value of the feedback submitted. The more valid issues you identify and the more valuable suggestions you provide, the better your chances!
Participation Reward
All users who complete the Insider Preview testing and submit valid feedback will receive a $50 discount coupon for selected products in the TerraMaster Official Online Store.
Program Updates
Program details and rules may be adjusted. Please follow the TerraMaster official website or forum for the latest updates.
Important Notes Before Registration
Before signing up for the TOS 7.1 Insider Preview program, please carefully read and agree to the following terms:
1. About the Test Version
TOS 7.1 Insider Preview is an early-stage release. Some features may contain bugs or may not yet be fully developed. To ensure the smooth operation of this beta program, please do not publicly disclose any issues encountered during testing, the test version itself, or related details.
2. About the Usage Environment
This test version is not intended for work or production environments. If your TNAS device is currently supporting business operations or storing important data, please do not participate.
3. About Data Security
Before upgrading to TOS 7.1 Insider Preview, please create a complete backup of all data on your TNAS to prevent potential data loss during the upgrade process.
4. About Version Usage
The TOS 7.1 Insider Preview update package is strictly for the personal testing use of approved participants. Forwarding, sharing, or distributing the package to any third party is strictly prohibited.
5. About Device Requirements
Your device must be an x86-based TerraMaster TNAS model that supports upgrading to TOS 7.0.0746 or later.
6. About Purchasing a Compatible Device
If your current TerraMaster device does not meet the upgrade requirements but you would still like to participate, you may consider purchasing a newer compatible model through the TerraMaster official website or Amazon authorized channels.
We look forward to having you on board!Explore the new NAS smart storage experience with users worldwide and let your voice be an important force in TOS's continuous improvement!
TOS 7.1 Smarter. Safer. Better!
After more than 200 days of dedicated development and the collaborative efforts of 100+ engineers, TerraMaster's all-new TOS 7.1 is almost here!
Featuring 40+ new features and 1,000+ refinements, TOS 7.1 delivers a comprehensive upgrade, from underlying technologies to the overall user experience.
A brand-new AI-powered experience takes center stage, transforming your NAS from a simple data storage device into an intelligent assistant that understands your needs, organizes your data, and helps you complete everyday tasks. With TOS 7.1, your NAS understands you better, bringing AI into your everyday NAS experience and ushering in a new era of intelligent storage!
Every improvement we make is made possible by the support and feedback of our users. That's why we're officially launching the TOS 7.1 Insider Preview Global Program, inviting a limited number of users worldwide to join our first round of beta testing.
We sincerely invite you to experience the new system ahead of its official release, share your honest feedback, and work alongside the TerraMaster product team to explore and refine a smarter, better NAS operating system!
Get early access to TOS 7.1. Every piece of feedback you share helps us make the product better!

Get a First Look at What's New! Seven Major Upgrades
1. AI-Powered Intelligence – A NAS That Understands You Better
Meet the all-new Terai AI intelligent assistant! Search for files using natural language, intelligently organize documents and photos, and even perform selected TOS system operations through conversations. From finding exactly what you need to managing your data intelligently, AI becomes your personal NAS assistant.
2. Enhanced Security – Multiple Layers of Protection
The firewall now supports bidirectional rule management, alongside new features such as SSH public key authentication, secure Vault privacy isolation, administrator password reset, and encrypted LDAPS connections. Enjoy safer data access and greater peace of mind when managing your device.
3. Greater System Stability – Smooth Performance Even Under Heavy Workloads
A new intelligent resource scheduling mechanism optimizes CPU, memory, and disk I/O allocation. Combined with ZRAM memory compression, accelerated media indexing, and faster thumbnail generation, TOS 7.1 delivers more stable and efficient performance when running multiple applications simultaneously.
4. Smarter Storage Management – More Efficient Batch Operations
Add multiple drives to a RAID array in one operation and create multiple storage pools consecutively, with synchronization tasks automatically queued and processed in the background. The homes directory and shared folders also support cross-volume migration, making storage expansion and data migration more flexible and convenient.
5. Up to 200% Faster Remote Access
Low-bandwidth mode is now automatically enabled for remote access, optimizing the login process and desktop loading experience. Enjoy smoother access even over weak or mobile network connections.
6. A Truly Global Experience – 26 System Languages
System language support has expanded to 26 languages. The interface has also been comprehensively optimized for right-to-left (RTL) languages, including Arabic and Hebrew. From navigation bar placement to icon orientation, every detail has been adapted to provide users worldwide with a more natural and intuitive experience.
7. More Improvements – Everyday Operations Made Easier
Rsync backup now supports SSH key authentication and host fingerprint verification. The Recycle Bin allows individual files within subfolders to be restored. The text editor adds Find and Replace functionality and support for multiple character encodings. Application configurations can also be managed centrally, making everyday administration more efficient.
These are just some of the highlights of TOS 7.1. There's much more to discover, and we can't wait for you to experience it firsthand!
Join the Insider Preview and Win Exciting Prizes!
We've prepared special rewards for users who actively participate in the TOS 7.1 Insider Preview program. The more valuable issues, suggestions, and feedback you submit, the better your chances of winning the First Prize!
First Prize: 15 Winners (Global)
Each winner will receive one TerraMaster D1 SSD Plus, valued at $90.
Participation Reward: All Eligible Participants
All users who complete the beta testing experience and submit valid feedback will receive a $50 discount coupon for selected products in the TerraMaster Official Online Store.
The coupon is valid only for designated products on the official website. Please contact official website customer support for eligible models and detailed redemption terms.
The winners are expected to be announced on the TerraMaster Forum on December 20, 2026. All participants will also receive an email notification regarding the results.
How to Participate
Registration → Eligibility Review → Receive the Insider Preview Version → Installation and Testing → Submit Feedback → Winner Selection → Prize Distribution
1. Eligibility Requirements
● You must own an x86-based TerraMaster TNAS device that supports upgrading to TOS 7.0.0746 or later.
● Your device must not be used for production workloads or store critical data. You must be willing to accept potential instability associated with pre-release software.
● You must be able to install and test the Insider Preview during the testing period and submit issues and suggestions as requested.
2. Submit Your Registration Email
Please send your registration email to the TerraMaster Product Team:
[email protected]
Email subject: TOS 7.1 Insider Preview Registration
Please include the following information in your email:
- Email Subject: TOS 7.1 Insider Preview Registration
- Name: -
- Country / Region: -
- TNAS Model: -
- Current TOS Version: (Control Panel → System → Update)
- Device Usage: e.g., Personal Backup / Media Library / Office File Sharing / Docker / Virtual Machines / Surveillance Storage
We will review your eligibility and notify you of the results by email. Please check your inbox regularly, including your spam folder.
4. Receive the Insider Preview Version
Once approved, you will receive the download link for the TOS 7.1 Insider Preview, along with relevant upgrade instructions.
5. Install, Test, and Submit Feedback
Follow the upgrade instructions to install and test the new system. Please send any issues you encounter, your experience using the system, and suggestions for improvement to [email protected]
Program Schedule
Registration: November 9–16, 2026
Eligibility Review and Insider Preview Distribution: November 17–20, 2026
Feedback Collection: November 21 – December 6, 2026
Winner Announcement: December 20, 2026
How to Win Prizes
Submit Your Feedback
Send any issues you discover, your user experience feedback, and suggestions for improvement to [email protected]
Increase Your Chances of Winning
First Prize winners are selected based on the quantity, quality, and practical value of the feedback submitted. The more valid issues you identify and the more valuable suggestions you provide, the better your chances!
Participation Reward
All users who complete the Insider Preview testing and submit valid feedback will receive a $50 discount coupon for selected products in the TerraMaster Official Online Store.
Program Updates
Program details and rules may be adjusted. Please follow the TerraMaster official website or forum for the latest updates.
Important Notes Before Registration
Before signing up for the TOS 7.1 Insider Preview program, please carefully read and agree to the following terms:
1. About the Test Version
TOS 7.1 Insider Preview is an early-stage release. Some features may contain bugs or may not yet be fully developed. To ensure the smooth operation of this beta program, please do not publicly disclose any issues encountered during testing, the test version itself, or related details.
2. About the Usage Environment
This test version is not intended for work or production environments. If your TNAS device is currently supporting business operations or storing important data, please do not participate.
3. About Data Security
Before upgrading to TOS 7.1 Insider Preview, please create a complete backup of all data on your TNAS to prevent potential data loss during the upgrade process.
4. About Version Usage
The TOS 7.1 Insider Preview update package is strictly for the personal testing use of approved participants. Forwarding, sharing, or distributing the package to any third party is strictly prohibited.
5. About Device Requirements
Your device must be an x86-based TerraMaster TNAS model that supports upgrading to TOS 7.0.0746 or later.
6. About Purchasing a Compatible Device
If your current TerraMaster device does not meet the upgrade requirements but you would still like to participate, you may consider purchasing a newer compatible model through the TerraMaster official website or Amazon authorized channels.
We look forward to having you on board!Explore the new NAS smart storage experience with users worldwide and let your voice be an important force in TOS's continuous improvement!