The 52x24x52 USB 2.0 CD-ReWritable drive is a portable compact storage drive which incorporates the USB2.0 Universal Serial Bus 2.0 high-speed protocol USB2.0 provides a higher transfer rate of 480 Mbits/second which means faster and more efficient solution for all your data transfer needs The external drive can automatically senses between standard USB and high-speed USB 2.0 so compatibility is not an issue Its compact portable size and its Plug Play features means it can go wherever you go Installation is quick and easy