Apricorn's 100% Bus-powered 20GB USB Hard Drive
 

"Apricorn EZ Bus Mini is a Hi-Speed USB bus-powered hard drive housing a Toshiba
1.8" 20GB hard drive. While being just one among a plethora of similar products, it
has everything a road warrior hopes to find on a mobile hard drive, including a
disaster recovery CD, file/folder synchronization, encryption software and a
generous three-year warranty."

http://www.everythingusb.com/hardwar..._Mini_20GB.htm