Get easy access to your files with the Cavalry Retriever Standalone SATA Hard Drive Duplicator + USB 3.0 Dual-Bay Dock!The EN-CAHDD2BU3C-ZB supports a 3.5-inch SATA hard drive up to 3 Terabytes or a 2.5-inch SATA hard drive with up to 2 Terabytes of storage. With a SuperSpeed USB 3.0 interface, you'll get blazing fast data transfer speeds of up to 5 Gbps. It's also backwards compatible with USB 2.0 specifications! The EN-CAHDD2BU3C-ZB is not only a dual hard drive docking station, you can also backup from a hard drive with data to a blank hard drive. Simply insert any 2.5-inch and/or 3.5-inch hard drives into the dock and press the DB (Duplicator Button) to begin the copying process! No computer needed! Order your Cavalry Retriever Standalone SATA Hard Drive Duplicator + USB 3.0 Dual-Bay Dock!