Simplecom SD422 Dual Bay USB 3.0 Docking Station for 2.5' and 3.5' SATA Drive SPECIFICATIONS: •Designed for direct insertion of two 2.5 inch or 3.5 inch SATA HDD/SSD •USB 3.2 Gen 1 (USB 3.0) Interface, transfer rates up to 5Gbps •Backwards compatible with USB 2.0, transfer rates up to 480Mbps •Multi-LUN Support, separate drive letters for 2 SATA slots •LED light indicates Power and Activity status •Hot-swappable, plug and play, no drivers needed •Support UASP (USB Attached SCSI Protocol) •Support offline clone, standalone duplicating/cloning without host computer •Compatible with Windows XP and above (32/64-bit), Mac OS 10.4 and above