Seagate 320GB GoFlex Slim Portable Hard Drive (Black)

No thicker than a #2 pencil and in an anodized frame, the 320GB GoFlex Slim Portable Hard Drive (Black) from Seagate is an extremely portable external hard drive designed to work with either your Windows or Mac computer. The drive spins at a fast 7200rpm and utilizes a speedy USB 3.0 adapter for connecting to your computer. With the USB 3.0 interface, the drive can transfer data at a rate that's up to ten times faster than USB 2.0. Plus, that interface is backwards compatible with USB 2.0 in case you want to connect the drive to devices with that older interface.