Sans Digital TR8UM6G Tower raid - 8 Bay SATA to eSATA & USB 3.0 JBOD Enclosure, Black 2 x eSATA port Multiplier and USB 3.0 connection Backward compatible with USB 2.0 Access 8 Hard drives using single USB 3.0 cables or 2x eSATA port Multiplier. 8 * removable Hard Drive trays for Easy Installation. Compact and Stylish 8-bay tower design with protective ventilating cover.