- br br Top Deal Review - Seagate FreeAgent GoFlex Desk 4 TB External Hard Drive for Mac STBC4000100br br Technical Detailsbr Size: 4 TBbr Compatible with Time Machine Softwarebr Upgradeable to Thunderbolt and USB 3.0 interfacesbr FireWire 800 or USB 2.0 plug-and-playbr Use on a Mac and PC computer interchangeably without reformattingbr FireWire 800USB 2.0 desktop adapter with capacity gauge displaybr 3-year limited warrantybr Durable soft touch finish helps resist fingerprintsbr Inside the Box: GoFlex Desk external drive formatted for Mac, GoFlex Desk FireWire 800USB 2.0 adapter base with capacity gauge, 5-foot FireWire 800 cable, 5-foot USB 2.