http://tokosini.com/shop.php?k=B004KR5C2A&c=all

Western Digital My Passport Essential SE 1 TB USB 3.0/2.0 Ultra Portable External Hard Drive

Dual USB 3.0 and USB 2.0 interface

Up to 3x faster transfer rates

WD SmartWare™ software

Automatic, continuous backup
Works quietly in the background to protect your data using minimal PC resources