Buffalo's MiniStation Thunderbolt Portable HDD is the world's first portable Thunderbolt/USB 3.0 dual-interface external drive solution. The Thunderbolt interface is twice as fast than USB 3.0 while preserving backward compatibility with existing devices that support USB 2.0 or USB 3.0. The MiniStation Thunderbolt Portable HDD can be formatted to support both PC and Mac, making it a great portable storage solution for any device. Native compatibility with Mac OS X Time Machine also makes it an ideal solution for backup with Mac computers.Bus-powered, the MiniStation Thunderbolt Portable HDD requires no additional power supply and is easy to carry. Just plug the portable HDD body with the included Thunderbolt Cable onto your Mac. Enclosed in a sleek aluminum body with a transparent frosted top, the design feels and looks luxurious. MiniStation Thunderbolt Portable HDD features an indirect disk access LED indicator on the underside that tastefully illuminates its supporting surface.With the MiniStation Thunderbolt Portable HDD on the move, you can transfer digital content faster, simplify connection between devices, maintain compatibility with most devices and enjoy the ultra-fast speeds of the market's latest portable storage solution.