Western Digital WD Elements 2 TB USB 2.0 External HD - $133.99
I just ordered one of these to use as a Time Machine backup disk. It’s a great price for a 2TB drive and USB enclosure, with free shipping.
Designed with the same commitment to quality that made WD external drives the number one drives in the world, Western Digital’s WD Elements USB 2.0 external hard drives are the right answer for simply affordable add-on storage. Just plug it in to a USB port and start saving your photos, music, video, and files. Kit contains; USB 2.0 external hard drive, USB cable, AC adapter, Quick Install Guide.