Dyconn Dubbler Dock (DUBDB) Superspeed USB 3.0 to Dual 2.5/3.5 in SATA Hard Drive Docking Station - Stand Alone Hard Drive Duplicator/Cloner/Copier Supports all 2.5-Inch and 3.5-Inch SATA Hard Drives Standalone 1:1 Sector by Sector HDD Duplication (no computer needed) USB 3.0 (USB 2.0/1.1 Backwards Compatible) Hot Swap Functionality & Plug & Play (MAC/PC)