Synology Expands DiskStation Lineup with DS1525+
Official announcement republished verbatim (not rewritten or translated); source linked on this page.（Original language：English）
Taipei, Taiwan—25 June 2025—Synology today announced the launch of the DiskStation DS1525+, a compact and high-performance storage solution, designed for small and medium businesses, as well as professional users.
"The DS1525+ offers a powerful foundation for data management and collaboration," said Owen Liao, product manager at Synology. "With evolving needs for data management, it's designed to deliver business-grade performance, scalability, and reliability."
Superb Performance and Scalability
To ensure optimal performance for demanding applications, the DS1525+ is equipped with dual 2.5GbE ports and can be upgraded to 10GbE using the E10G22-T1-Mini module. Two M.2 slots enable the creation of an all-flash cache or storage pool to accelerate high-performance workloads. In performance testing, the DS1525+ achieved SMB sequential throughput of up to 1,181 MB/s read and 1,180 MB/s write using SSDs.
The DS1525+ is engineered for scalability, supporting up to two 5-bay DX525 expansion units, allowing for up to 15 drives total. This provides up to 300 TB of raw storage 1 capacity, enabling businesses to scale their infrastructure as their data needs grow.
To ensure consistent performance and reliability, the DS1525+ is designed to operate with compatible hard drives. It follows a carefully curated drive compatibility framework, backed by over 7,000 hours of rigorous testing.
Versatile Features for Business Workloads
Powered by Synology DiskStation Manager (DSM), the DS1525+ offers a wide range of tools for business data management:
The Synology DS1525+ is available, starting June 25, 2025, through Synology's network of partners and resellers worldwide. For more information, visit the DS1525+ product page.
1 Raw capacity calculated using 20 TB drives. Usable capacity varies based on drives used and RAID configuration. DS1525+ supports up to 15 drives with two Synology DX525 expansion units, sold separately.
2 A third-party validation program is available upon request, allowing drive manufacturers to test their products using the same rigorous standards applied to Synology.
3 This press release was updated on Oct 28 to enhance content accuracy.
Specifications
- Ports
- 雙 2.5GbE 聯結器，可升級至 10GbE
- Drive slots
- 兩條 M.2 插槽
- Maximum storage capacity
- 最高 300 TB（使用 20 TB 硬碟）
- Expansion unit support
- 最多兩個 DX525 擴充套件單元
- Testing duration
- 超過 7,000 小時的嚴格測試
Sources
Specs and launch info are cited from official sources; the analysis is our own original writing.
Designed to deliver business-grade performance, scalability, and reliability for evolving data management needs, the DS1525+ features dual 2.5GbE ports and can be upgraded to 10GbE using the E10G22-T1-Mini module. Two M.2 slots are also provided to accelerate high-performance workloads.
Supporting up to two DX525 expansion units for a total of 15 drives and up to 300 TB of raw storage capacity, the DS1525+ is designed to operate with compatible hard drives. It has undergone over 7,000 hours of rigorous testing to ensure consistent performance and reliability.
Powered by Synology DiskStation Manager (DSM), the DS1525+ offers a wide range of tools for business data management. Available starting June 25, 2025, through Synology's network of partners and resellers worldwide, more information can be found on the product page.
Pros
- High performance and scalability
- Compatible hard drive design
- Wide range of business management tools
Discussion