The SATDUPUEGB Portable SATA Hard Drive Duplicator with e SATA & USB (Universal Serial Bus) offers an easy, hardware solution for duplicating/cloning a SATA hard drive, or can be connected to a desktop or laptop computer for use as an external hard drive dock. As a standalone hard drive duplicator, the SATDUPUEGB lets you can create an exact 1-to-1 sector clone from one hard drive to another, including partition & boot sector information & all data, at a rate of up to 72 MBps; as an external hard drive dock, it supports plug-&-play installation & can be connected to a host computer through either USB (Universal Serial Bus) 2.0 or e SATA, providing data transfer speeds of up to 480 Mbps or 3 Gbps respectively.