WESTERN DIGITAL 640GB Elements Portable Hard Drive USB 2.0 Black

The WD Elements Portable External Hard Drive from Western Digital^® is an easy, reliable way to add more storage to your PC. Simply plug it in to a USB port and start saving or backing up your photos, music, video and other files. This 640GB drive comes with a USB 2.0 interface which does not require any power adapter as it is powered directly through the USB cable. Moreover, this preformatted external hard drive is designed for use with windows based computers. If you are looking for simple and reliable add-on hard drive storage, the WD Elements Portable External Hard Drive is the ideal choice for you.