Sans Digital 8-Bay eSATA RAID 0/1/10/5/JBOD Tower Storage Enclosure with 6G PCIe Card TR8M+ (Silver) External I/O:eSATA (via Port Multiplier) RAID Levels:RAID 0, 1, 10, 5, 5+spare, Spanning and JBOD (via Bundled RR622 RAID Controller Card) 3.5-Inch Drive Bays:8 x Hot-Swappable OS Supported:Supports PC, Linux and MAC OS, including Windows 7 and Snow Leopard Power Supply:300W (90V-264V)Maximum Capacity: 24TBCooling Fan: 4.7-Inch Ball Bearing Fan Status Indicators: Status and Power LEDs Safety Regulations: CE, FCC, UL, RoHS Form Factor: Compact Tower