24 x USB External CD-ROM Drive General Features: Super Slim Black Bezel and Housing 24x Transfer Rate; For use with all Laptops, Notebook, Netbook (ASUS Eee PC 1000HE, 900HA / Acer Aspire One / Samsung NC10) or Desktop Computers.100 ms Average Access Time / 128 KB Buffer Size. Interface: USB2.0 (Compatible with USB1.1). Rear Panel Features: USB connector Power connector / Emergency Eject Hole