Sans Digital MR2CT+ MobileRAID - 2 Bay SATA to USB 3.0/ eSATA/ 1394b RAID 0/1/ JBOD/Spanning Enclosure 2 bay Hardware RAID enclosure support RAID 1 or RAID 0. Hardware RAID embedded to the enclosure to eliminate OS compatibility issues. Triple Host Interfaces: USB 3.0, eSATA, Firewire 800 (backward compatible with USB 2.0 and Firewire 400). LED status and buzzer for RAID management and monitor system status. Features two RAID modes, including RAID 0 or RAID 1 for redundancy or performance. Support JBOD for individual drives access and spanning for simple storage expansion. Support on Firewire 800 & eSATA, eSATA port multiplier is required. Supports the latest 3TB hard drive. Up to 6TB in storage capacity. Supports Windows 7, 2000, XP, Vista, and Windows Server 2003 and 2008, MAC and Linux.