http://www.gadgettown.com/320G-2-5-Seagate-ST25018-SATA-Hard-Drive-C01390.html
The Seagate 320GB 2.5" SATA Ultra Portable External Hard Drive USB 2.0 is quite a useful piece of equipment. It allows the user to back up or store important information separate from the main internal hard drive, which could become compromised by online or offline activities. Sensitive documents, large music files, DVD images, movies, disk images, and even a backup of the contents of your main internal hard drive, can all be kept securely and safely on an external hard drive. it is portable and operates on a plug-and-play basis. It's a snap to transfer huge files back and forth from work to home. Just plug in the interface cable to quickly reconstruct a working environment, making your favorite programs virtually portable.