Yuantech F500 3.5 INCH Two Bay Aluminum USB 3.0 ESATA Firewire 800 External RAID HDD Enclosure Support one or two 3.5" SATA-I, SATA-II or SATA-III hard drives up to 4TB per drive All Aluminum material for great heat dissipation Configurable hardware RAID controller: Non-RAID, JBOD, RAID 0 and RAID 1 Versatile interface including eSATA, FireWire 800 and USB 3.0 Compatible with Windows 2000/ XP /Vista/ 7/ 8, Mac OS X 9.x or above