The Cirago CST5250 250GB Portable Storage is a compact, lightweight storage solution that lets you store a lot without carrying a lot. Store, back up and transport videos, photos, music, and other files without taking up space on your laptop or PC"s hard drive. The durable aluminum enclosure is functional and elegant, providing superior cooling while looking stylish. The USB 2.0 interface provides plug and play compatibility with most computers including Windows and Mac OS. The Cirago CST5000 Series is protected by a 3-year limited warranty.