Western Digital 320GB USB 2.0 Hard Drive with Dual-Option Back-Up - WDXUB3200JBNN $159.95

High-speed storage, conveniently placed controls and easy-to-use scheduled or on-the-spot backup make the WD Dual-option external USB drive an ideal solution for much-needed additional storage. Its a perfect place to store your valuable data, music, photos and movies.

Dual-option backup choose how and when to back up your data, periodically or at once USB 2.0 interface high-speed and easy-to-use connection Front-mounted power button equipped with WDs exclusive Safe Shutdown feature that ensures all data has been safely transferred before shutting down the drive 7200 RPM rotational speed Preformatted; simply plug it in and go Designed for near-silent operation with WDs whisper-quiet hard drive Fast, easy connection to PC or Macintosh computers Cool, heat-dissipating case Stands vertically or horizontally Stackable

Buy.com is carrying this 320GB USB 2.0 Hard Drive with Dual-Option Back-Up for $159.95