Western Digital My Book Premium Edition 160 GB External Hard Drive (WDG1C1600) Store and back up your music, photos, videos and important documents with this external hard drive Easy to set up and use with built-in installation software Dual interface features FireWire 400 and USB 2.0 connectivity Device holds up to 160 GB of data and is built with an easy-to-read capacity gauge Measures 5.55 x 2.25 x 6.71 inches (WxHxD)