Synology DS925+ 4 Bay Plus Series (Diskless)

Dependable Performance – Up to 522/565 MB/s sequential read/write throughput for stable data transfers. Only compatible with Synology branded drives. Fast and Flexible Networking – Dual 2.5GbE ports offer fast network speeds and improved redundancy Versatile Network Storage – Includes file and photo management, data protection, virtualization, and surveillance features Capacity Expansion – Expand up to 9 bays with the DX525 for up to 180 TB of storage Extendable Product Support – 3-year limited hardware warranty, extendable to 5 years in select markets