RackStation 4-bay 1U Rack Mount Quad Core Storage Server (Synology RS820RP+) - Intel Atom C3538 Processor (2.1GHz, 4 cores), 2 GB DDR4 non-ECC (1 x 18GB, 1 slots free, 18GB Max), 180 TB, 4 Hard Drive Bays up to 8-bay, No Optical Drive, 4 x GbE LAN, Redundant Power, Connectivity: 2 x USB3.0, 1x eSATA Port, 150W Power Supply, No Operating System, 1U Rackmountable