Seagate FreeAgent GoFlex Desk 2TB FireWire 800 USB 2.0 External Hard Drive for Mac STBC2000101 Compatible with Time Machine Software Upgradeable to Thunderbolt and USB 3.0 interfaces FireWire 800 or USB 2.0 plug-and-play Use on a Mac and PC computer interchangeably without reformatting FireWire 800/USB 2.0 desktop adapter with capacity gauge display Compatible with Time Machine Software Upgradeable to Thunderbolt and USB 3.0 interfaces FireWire 800 or USB 2.0 plug-and-play Use on a Mac and PC computer interchangeably without reformatting FireWire 800/USB 2.0 desktop adapter with capacity gauge display Durable soft touch finish helps resist fingerprints 3-year limited warranty Inside the Box: GoFlex Desk external drive formatted for Mac, GoFlex Desk FireWire 800/USB 2.0 adapter base with capacity gauge, 5-foot FireWire 800 cable, 5-foot USB 2.0 cable, power supply, quick start guide