Synology DiskStation DS923+ 4-Bay NAS Enclosure (DS923+) - AMD Ryzen R1600 Processor (4M Cache, 2.6 GHz, up to 3.1 GHz, 2 cores), 4GB DDR4 ECC RAM (1 x 4GB, 1 slot free, 32GB Max), 4 x 3.5" or 2.5" SATA HDD/SSD / 2 x M.2 2280 NVMe SSD (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, 2 x 1GbE RJ-45, 100W Power Supply, Weight: 2.24 kg