MiniPro 2-Bay FireWire 800, USB 3.0, eSATA RAID Hard Drive Enclosure Interface: USB 3.0 (Up to 572 MB/Sec); Firewire 800 /IEEE 1394b (Up to 100 MB/Sec); eSATA (Up to 375 MB/sec) Supports 2 x 2.5-inch SATA HDDs (9.5mm or 12.5mm) Industry best Oxford 946 (FW800) and Oxford 3100 (USB3) chipset Configurable hardware RAID controller (RAID 1 mirroring or RAID 0 striping) Bus powered using FireWire, or powered using AC adapter (included)