Get from Amazon.com : http://www.amazon.com/gp/product/B006C4R3OY?tag=hawaiianlegac-20

Freecom Mobile Drive Mg 1 TB USB 3.0 Portable External Hard Drive with Magnesium Enclosure

Ultra thin mobile hard drive in stylish design complements the design of your MacBook
Magnesium enclosure ultra lightweight high quality solid and environment- friendly material
Mac HFS formatted immediately ready to be used on your MacBook and 100 Time Machine compatible
Connects to the USB port of your MacBook
No cooling fan ensures quiet operation
High quality and sleek design