24x USB-Powered Super Slim External CD-ROM Drive (Black) 24 x USB External CD-ROM Drive General Features: Super Slim Black Bezel and Housing 24x Transfer Rate Front Panel Features: Eject button with Busy LED 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