Dependable Performance Up to 522/565 MB/s sequential read/write throughput3 supports stable data transfers Fast and Flexible Networking Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy Versatile Network Storage Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions Capacity Expansion Add 5 extra drive bays for up to 180 TB4 of storage with one DX525 expansion unit1 Extendable Product Support Backed by Synology's 3-year limited hardware warranty, extendable to 5 years in select markets5,6