1U Four hot swap SATA Bay JBOD and HW RAID Enclosure with USB3.0 |eSATA interfaces MAC/Win/Linux Four hot swap SATA hardware RAID 0, 1, 3, 5, 10, clone, span(big) or JBoD (PM ware) Four SATA I,II,III hot swap bay eSATA 3.0Gbps and USB3.0 @ 3.0Gb and 5.0Gb bandwidth Proprietary - RAID storage processor four Drive Support MAC, Windows, Linux as driver-less RAID