Western Digital My Book Studio Edition II 2TB eSATA/FireWire/USB Hard Drive (External)Features:The speed you need: Lightning-fast FireWire 800 combined with RAID 0 (Striped) yields the speed you need for smooth video editing, rendering complex 3D objects or special effects and saving huge blocks of data in record time Cooler, quieter, eco-friendlier: Designed to use only WD's GreenPower drives, this system uses about 30% less energy than standard systems and runs quietly because it doesn't need a fan Formatted for Mac: Works with Apple's Time Machine. Includes software and instructions for reformatting to Windows Quad interface: Power your creativity with connections for ultra-fast eSATA and FireWire 800. For flexibility and convenience, FireWire 400 and USB 2.0 are also included Automatic backup software: Back up important projects to multiple destinations including file servers, portable drives and My Book. Set it and forget it; every time you save a change it's automatically backed up Capacity gauge: See at a glance how much space is available on your storage system Intelligent drive management features: Automatic power-up, Safe Shutdown, and LED status and activity lights make this storage system especially easy to use. (Works with USB and FireWire connections only.)