Direct Connect IDE adapter No Power Needed for adapter to function, you still need to provide power to the drive.40-pin IDE Connector to USB B-type output. USES GENESIS GL811E CHIP USB 2.0, Compliant with USB1.1, Plug and Play Support installing with CD/DVD-ROM,CD-RW,COMBO, DVD¡ÓRW,DVD-RAM externally Professional \\Data Transfer Rate: 480Mb/s(Max), 52X CD recording , 8X DVD recording