Cables Unlimited's USB/eSATA adapter provides one of the fastest and easiest hard disk connection ever. Simply insert a SATA hard disk into the SATA Docking Station and it's ready to use. You can hot swap between several disks at lightning speed. Transfer files from computers or notebooks, back up files, or store files on hard drives with ease. Connects to a USB or e-SATA ports and supports both SATA 2.5" and 3.5" drives. A must for all computer techs.