Get on Amazon.com : http://www.amazon.com/gp/product/B002KCA85I?tag=clothingattes-20
WD My Passport Essential 500 GB USB 2.0 Portable External Hard Drive (Cool Silver)
Automatic continuous backup
Visual backup control center
Password protection and 256-bit encryption
USB 20 interface
Several colors to choose from including Black Pacific Blue Real Red Cool Silver