Synology RackStation RS822+ 4-Bay 1U NAS Enclosure (RS822+) - Form Factor: 1U, AMD Ryzen V1500B Processor (32M Cache, 2.20 GHz, 4 cores), 2GB DDR4 ECC RAM (1 x 2GB, 1 slot free, 32GB Max), 4 x 3.5" or 2.5" SATA HDD/SSD Bays (108TB Max), Supported RAID Types: Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, Connectivity: 2 x USB 3.2 Gen 1, 4 x 1GbE RJ-45, 1 x eSATA Expansion Port, 150W Power Supply, Weight: 6.4 kg