In addition to its performance, the new 4-bay model also provides high capacity and scalability. When combined with the new DX525 expansion unit, it supports up to 9 drive bays and offers up to 180 TB of raw capacity, allowing users to expand as needed, making it ideal for growing data demands.
The DS925+ is designed as a complete system to deliver consistent performance and reliability with Synology hard drives. It follows a carefully selected drive compatibility framework, backed by over 7,000 hours of rigorous testing. To ensure optimal integration and long-term reliability, DSM in the DS925+ requires compatible hard drives for installation.

Versatile Features for Enterprise Workloads
Powered by Synology's DiskStation Manager (DSM), the DS925+ offers versatile features to meet diverse enterprise data management needs.

Synology Drive transforms the system into a private cloud, enabling cross-platform access and site-to-site synchronization for distributed teams.
Active Backup Suite provides comprehensive protection for Windows, Linux, and macOS devices, virtual machines, and cloud accounts, with flexible off-site backup options.
Surveillance Station offers scalable video management and intelligent real-time analytics to protect physical assets.

Availability
The DS925+ and DX525 expansion unit will be available from May 7, 2025, through Synology's worldwide network of partners and distributors.

product pages DS925+ and DX525.
*Synology intends to continuously update the product compatibility list. A third-party validation program is available upon request, allowing drive manufacturers to test their products using the same rigorous standards applied to Synology drives for certification.