The G-Technology G-DRIVE mobile USB 1TB Portable HDD is a high-speed external hard drive with a sleek black design, perfect for use with both Windows and Mac computers. With a generous storage capacity of 1TB and a rotation speed of 5400 RPM, this portable HDD is ideal for backing up and transferring large amounts of data. It is also Time Machine compatible and features USB-Powered connectivity for convenience. The G-Drive product line from G-Technology is known for its reliability and performance, making this model a great choice for users in need of a portable storage solution. This one is brand new in the box. No returns on electrical items.