Get from Amazon.com : http://www.amazon.com/gp/product/B007HSKOVI?tag=hawaiianlegac-20
G-Technology G-DRIVE Mobile USB 1TB 5400RPM Portable External Hard Drive with USB 2.0 (silver)
1TB Capacity
USB 20 Interface
Compact size weighs less than 9 oz
Bus powered -no AC adapter required
Unique and stylish enclosure designed with the MacBook Pro user in mind