... 480M data transfer rate and 52x CDROM data read. 2.External power supply can be use to AC90V-264V,47-63Hz ... .IntroduceUSB2.0 to SATA/IDE cable be used to connect hard disk,CD-ROM,DVD-ROM ,CD-RW,COMBO device,DVD-RW ... supports 480M data transfer rate and 52x CDROM data read.External power supply can be use to AC90V-264V,47-63Hz ...