Quad interface, RAID-enabled, about 30% less power consumption, formatted for Mac. The My Book Studio Edition II treads lightly on the earth and carries big performance for creative professionals. 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. Compatible with Apple's Time Machine. Includes software and instructions for reformatting to Windows. Available in 4TB, 2TB, and 1TB.