G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (7200RPM) (0G02874) USB 3.0 and 7200 RPM hard drive delivers screaming performance Solid, aluminum case and a thin profile. Bus-powered hub eliminates the need for a separate power connection Up to 1TB storage capacity handles documents, music, digital video and photo files Works with Time Machine, plug-and-play setup on Mac OS. Easily reformatted for Windows 3-Year limited warranty