G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (5400RPM) (0G02428) USB 3.0 for screaming performance Solid, aluminum case, thin profile makes for easy portability Up to 1TB storage capacity handles documents, MP3s, digital video and photo files Bus-powered hub eliminates the need for a separate power connection Time Machine-ready, plug-and-play setup on Mac OS