This hard disk is external type, Interface: USB 3.0, Capacity: 500GB, 1TB, 2TB, Length: 113.5mm, Width: 76.0mm, Weight: 0.15kg, Warranty: 2-years. Unlike the Seagate Plus Fast’s smooth metallic enclosure, the Plus Slim’s body consists of a plastic build with a bright blue top cover; the company logo is located on the bottom corner and there’s a drive activity light near the back Also support USB 2.0.