Seagate FreeAgent XTreme 2 TB USB 2.0/FireWire 400/eSATA Desktop External Hard Drive ST320005FPA2E3-RK (Black) 2 TB, USB 2.0, eSATA Experience blazingly fast data transfer thanks to eSATA, USB 2.0, FireWire 400 interface and performance speed of 7200 RPM Sync content between your FreeAgent XTreme drive and other portable drives so youll always have your current file versions wherever you are. Keep your important files and folders private with powerful soft ware encryption technology. Compatibility: Windows Vista Home Basic, Home Premium, Ultimate, or Business Service Pack-1; Windows XP Home, Professional