HP 320GB SimpleSave Portable Pocket Backup Hard Drive, USB 2.0

The 320GB SimpleSave Portable Backup Drive from Hewlett-Packard is a bus-powered hard drive, designed for use as a backup drive for Windows systems. The drive automatically backs up data on your computer's hard disk, without the need to install any software. A true plug-n-play device, the SimpleSave ensures that you will not lose data due to a hard drive crash.