Western Digital My Book Essential Edition external hard drive provides 1TB of storage for your digital assets, including music, photos, and video. This sleek black desktop drive features a USB 2.0 interface for simple plug-and-play installation and is designed to fit upright on a desk like a book. It includes smart energy-efficient technology that powers the drive on and off with your computer. The unit comes with its original box and a USB cable; please note the AC power adapter and manual are not included.