Western Digital My Passport Portable Hard Drive FireWire 800/USB 2.0: * 1TB Expanded digital storage * USB 2.0, FireWire 800 Flexible interface with fast transfer speeds * 5400RPM For fast access and performance What the Western Digital 1TB Portable Hard Drive Holds: * Photos Up to 666,000 * Music Up to 285,000 songs * Video Up to 526 hours of HD video Western Digital 1TB Portable Hard Drive System Requirements: * Windows 2000, Vista, Windows 7 * Mac OS X 10.4.11, 10.5.2 Support and Warranty: * Western Digital 1TB Hard Drive comes with a 2-year limited warranty