Western Digital My Passport Studio 320GB White external hard drive

My Passport Studio - 320 GB - White Equipped with FireWire 800/400 and USB 2.0 interfaces, and formatted for Macintosh, this high speed portable hard drive is perfect for Mac users on the go. Use it to pack up your office files and take them home, carry thousands of songs or pictures and back up your Macintosh laptop using Apple Time Machine.

FireWire® 800 - Save and access data at top speeds with the high-performance FireWire 800 interface. Also includes FireWire 400 and USB 2.0 interfaces for maximum flexibility.
Turbo powered - Includes high-speed turbo drivers for maximum performance. (Mac only)

Illuminated Capacity Gauge - Connect My Passport to your computer and see at a glance how much space is available on your drive.
Compatible with Apple Time Machine - Use with Apple's Time Machine, or your favorite back up software.

FireWire or USB powered - No separate power supply is needed.

Designed for Mac, works with Windows - Designed for use with Macintosh computers. Can be easily reformatted for use with Windows PCs.