Synology RackStation RS422+ 4-Bay 1U NAS Enclosure (RS422+) - Form Factor: 1U, AMD Ryzen R1600 Processor (4M Cache, 2.6 GHz, up to 3.1 GHz, 2 cores), 2GB DDR4 ECC RAM (1 x 2GB), 4 x 3.5" or 2.5" SATA HDD/SSD (108TB Max), Supported RAID Types: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, Connectivity: 1 x USB 3.2 Gen 1, 2 x 1GbE RJ-45, 100W Power Supply, Weight: 4.38 kg