FlashStation 24 bay 2U 2.5-inch NAS Enclosure Rack Mount Storage Server (Synology FS6400) - Intel Xeon Silver 4110 x 2 Processor ( 3.0 GHz, 8 cores), 32 GB DDR4 ECC RDIMM (Up to 512GB), (32 GB, 16 GB x 2, 16 slots free, 512 GB Max), 200 TB Hard Drive, 2.5-inch SATA SSD, 24 Hard Drive Bays, No Optical Drive, 2x GbE LAN, 2x 10GbE, Connectivity: 2 x USB 3.0, 800W Power Supply, No Operating System, 2U Rack mountable