USB2.0 to SATA/IDE cable is used to connect hard disk, CD-ROM, DVD-ROM, CD-RW, COMBO devices, DVD-RW to computer with USB2.0 interface. Features: USB2.0 Supports 480Mbps data transfer rete and 52x CD-ROM data read. Components USB to SATA/IDE cable: connect SATA/IDE device to computer with USB port Power with 12v and 5v double channel. output: power supply for SATA./IDE device.