Seagate Backup Plus Slim 1TB Portable External Hard Drive with Mobile Device Backup - STDR1000100 (Black) Form Factor: 2.5 Dimensions: 0.48 x 2.99 x 4.47 Weight: 0.35 lb. Package Contents: Seagate Backup Plus Slim portable drive NTFS driver for Mac 18-inch (45.72cm) USB 3.0 cable Quick start guide Electrical Outlet Plug Type: others