NAS STORAGE TOWER 5BAY 2XM.2 / NO HDD USB3 DS1525+ SYNOLOGY

A storage solution that can adapt with your evolving needs



5-bay with expansion

Up to 300 TB of raw storage with expansion unit1,2



High-speed storage

Two built-in 2.5GbE ports, over 1,181/1,180 MB/s sequential read/write3, and 10GbE option4



Versatile applications

Back up multiple endpoints, manage 40 IP cameras5, or safely sync and share files across sites



Purchase a NAS together with Synology HAT series drives and benefit from the Synology Express Replacement Program, ensuring same-day drive replacement when needed. Contact your Sales Manager for more details.





"The 'Express Replacement' service is an initiative by Synology and its authorized distributors, allowing Synology partners to provide customers with a replacement device without long downtime in the event of a failure.

Thanks to local stock with replacement units and spare parts, the partner should receive a replacement device within a maximum of 3 days*.



*The service is free of charge.

*The replacement time is not guaranteed, as it depends on the current availability of replacement units and spare parts. Therefore, in some cases, the replacement time may be extended."

• Up to 1,181 MB/s sequential read and 1,180 MB/s sequential write performance enables fast file sharing, syncing, streaming, and backup for multiple users


• Two 2.5GbE ports offer fast networking, with Link Aggregation supporting failover and load balancing capabilities


• Support for 10GbE networking via 10GbE RJ-45 Network Upgrade Module provides versatility and futureproofing


• Supports 5 2.5" SATA SSD and 3.5" SATA HDD.8 Synology hard drives and SSDs are designed to integrate seamlessly with Synology systems, delivering exceptional reliability


• Expandable to 15 drives for up to 300 TB of raw storage with two


• Synology DX525 expansion units


• Two built-in M.2 slots provide SSD caching capability without occupying drive bays