Amazon is selling the WD Elements 640GB Hard Drive for just $84.99 shipped, originally priced at $149.99. This drive doesn’t require an external power supply, “just plug it in to any USB port and start saving your photos, music, video, and files.” Product page.

Simply affordable, easily portable. Designed with the same commitment to quality that made WD external drives the number one selling drives in the world, Western Digital’s WD Elements USB 2.0 portable hard drive is simple, easy-to-use.

[via Amazon