SANS DIGITAL EliteSTOR ES212X12HP RAID level 0, 1, 10(1E), 3, 5, 6, 30, 50, 60, Single Disk or JBOD Multiple RAID 0 and RAID 10(1E) support (RAID 00 and RAID100) 12 Hot-Swappable 3.5 Drive Bay 3.5 Drive Bays HD Mini-SAS / SFF-8644 RAID S Drive: SAS or SATA 12Gb/s, 6Gb/s and 3Gb/s Power Supply: 380W 1+1 Redundant Power Supply Dimensions: 23 x 19 x 3.5 (D x W x H) Weight: 35lbs