Ideal for the home, office, or dorm, Seagate Expansion Desktop offers enormous desktop storage for photos, movies, music, and more. Backing up and transferring content is incredibly easy just drag and drop! To get set up, connect the USB hard drive to a Windows computer for automatic recognition no software required. For Mac computers, simply reformat. Included is an 18-inch USB 3.0 cable and 18W power adapter.