"The Port Authority 2 USB 2.0 to Serial ATA (SATA) Adapter by Cables To Go implements a bridge between one USB port and one SATA based mass storage device port. The adapter turns any SATA drive into a convenient external drive. Easily transfer files from a computer or notebook, back up files, or store large file archives on hard drives. A great solution for recovering personal files from SATA drives that no longer boot the operating system. The Hi-Speed USB interface enables easy installation with its plug-and-play design. Works with any SATA hard drive from 80GB to 500GB. USB 2.0 Compliant. Serial ATA 1.0 Specification. Automatic Serial ATA 1.5 Gbps Speed. Max Speed (Read+Write): 48 MBps. Supports Serial ATA Hot-Plug. Cable Length: 5.5 feet."