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