Amazon is selling the Seagate Expansion 640GB portable hard drive for just $79.99 shipped, originally priced at $113.99. Simply “connect a single USB cable and you are ready to go; the drive is powered from the USB cable, so there is no need for an external power supply.” Product page. Continue reading for a video review of the 500GB model.

Plus, it is automatically recognized by Window operating system, so there is no software to install and nothing to configure. Saving files is easy too, just drag-and-drop.It’s not just easy to use, but it’s fast and energy efficient too.

[via Amazon]