Synology DiskStation DS920+ SAN/NAS Storage System - Intel Celeron J4125 Quad-core (4 Core) 2 GHz - 4 x HDD Supported - 64 TB Supported HDD Capacity - 0 x HDD Installed - 4 x SSD Supported - 64 TB Supported SSD Capacity - 0 x SSD Installed - 4 GB RAM DDR4 SDRAM - Serial ATA Controller - RAID Supported 0, 1, 5, 6, 10, Basic, Hybrid RAID, JBOD - 4 x Total Bays - 4 x 2.5"/3.5" Bay - Gigabit Ethernet - eSATA - 2 USB Port(s) - 2 USB 3.0 Port(s) - Network (RJ-45) - DiskStation Manager - Desktop DISKLESS