Get from Amazon.com : http://www.amazon.com/gp/product/B003ELOSEG?tag=hawaiianlegac-20
Seagate FreeAgent GoFlex 320 GB USB 2.0 Ultra-Portable External Hard Drive STAA320100 (Black)
USB 20 plug-and-play drive
Easy-to-use preloaded backup and encryption software
Upgradable to USB 30 FireWire 800 or eSATA or access content over the network and on TV