Synology Supports Non-Validated 3rd-party Drives with DiskStation Manager 7.3

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BELLEVUE, WA — October 8, 2025 — Synology today announced the release of DiskStation Manager (DSM) 7.3, delivering enhanced storage flexibility and efficiency, strengthened security and reliability, and new productivity features.

“As data grows rapidly, advanced solutions are needed to manage, process, and unlock its full value,” said Kenneth Hsu, director of the System Group at Synology. “DSM 7.3 helps customers confidently address evolving data management challenges on a platform that is secure, reliable, and ready to support AI transformation.”

Expanded storage flexibility

As a part of its mission statement, Synology is committed to delivering reliable, high-performance storage systems. This commitment has led to a standardized process of rigorous testing and validation for both hardware and software components, and has been an integral part of Synology’s development approach for many years. Both Synology storage drives and components validated through the third-party program undergo uniform testing processes to ensure they are able to provide the highest levels of reliability with DSM.

Synology is currently collaborating closely with third-party drive manufacturers to accelerate the testing and verification of additional storage drives, and will announce more updates as soon as possible. In the meantime, 25 model year DiskStation Plus, Value, and J series running DSM 7.3 will support the installation and storage pool creation of non-validated third-party drives1. This provides users greater flexibility while Synology continues to expand the lineup of officially verified drives that meet long-term reliability standards.

Enhanced storage efficiency, system security, and collaboration capabilities

Synology Tiering automatically moves files between storage tiers based on access patterns, keeping frequently used “hot” data on high-performance storage while shifting rarely accessed “cold” data to cost-effective tiers. With customizable policies based on modification time or access frequency, users can precisely schedule when and how data movement takes place.

Moreover, DSM 7.3 strengthens system reliability during heavy file operations and folder synchronization. Security is reinforced with proactively patching, with over 50 security updates delivered in the past year. Starting this year, Synology employs three industry-recognized risk indicators—KEV, EPSS, and LEV—to better protect customers from potential threats.

Finally, The Office Suite receives significant upgrades in DSM 7.3. Synology Drive adds shared labels for better file organization, streamlined file requests for easier collection, and file locking to prevent editing conflicts. MailPlus strengthens security with email moderation and introduces domain sharing to unify identity across distributed infrastructures.

Empowering AI adoption with data privacy

Synology AI Console has been deployed on more than 430,000 Synology systems since its launch in August 2025, enabling seamless AI-powered team collaboration and management in on-premises environments. In DSM 7.3, Synology AI Console further introduces custom data masking and filtering, allowing users to safeguard sensitive information locally before transmitting data to third-party AI providers, enhancing both security and workflow reliability.

In addition, Synology AI Console will soon add support for all OpenAI-compatible APIs in future releases, enabling seamless integration with private AI infrastructure and giving organizations the flexibility to deploy AI services with full data privacy and security.

Availability

DSM 7.3 is now available for download. For detailed information on the updates, please refer to the release notes. For more information about the updated drive compatibility policy, please read this article.

Notes

1 Creation of M.2 based storage pool and cache still requires drives on the HCL.



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