Western Digital WDBU6Y0050BBK-WESN Elements Portable External Hard Drive, Black, Interafce USB 3.0, Capacity 5TB, Form Factor 2.5". Western Digital Elements Portable 5tb Usb 3.0 2.5" External Hard Drive - Slim Light Durable Shock Proof Black Plug & Play Ntfs For Windows 10/8.1/7 (WDBU6Y0050BBK-WESN).