Brand New, ORIGBELIE External CD/DVD Reader and Burner The external dvd drive with high speed USB 3.0 technology, many of the port cluster connectors are labelled by blue colour and backward compatible with USB 2.0 / 1.1. USB 3.0 is an updated version of USB 2.0 which provides higher data transfer rates up to 5 Gigabits/S (625MB/S). it is approximately 10 times faster than USB 2.0. Besides that, The cd drive offers Max 8x DVDR Read Speed and Max 24x CD Write/Read speed, faster than you expected.