Usb 20 ide adaptor pc 1172 product features compatible with cd rom cd rw combo drive dvd rom dvd rw hdd compliant with both usb20 and usb 11 high transmission speed up to 480mbs professional switching adapter input ac100v 240v description this usb 20 ide adaptor offer you a convenient way to create a external storage device it can connect to ide hard disk dvd rom cd rom cd rw combo drive dvd rw and dvd ram whatamp39s in the box 1 x usb 20 ide