This ultra-portable USB drive is packed with smart features: WD SmartWare software for automatic, continuous backup, password protection, an illuminated capacity gauge and a convenient grab-and-go USB dock. A luxurious soft-touch finish makes these drives easy to grip, comfortable to hold, and beautiful to show off to your friends. Combine that with mega-capacity that fits in your pocket. Available in 640GB, 500GB, 400GB, 320GB, and 250GB. Pack up your office files and take them home. Carry thousands of songs or pictures. Back up your laptop. Synchronize files between home and office and encrypt everything on the drive for added security.