9Pin USB2.0 Female port to 20Pin USB3.0 male Motherboard header converter cable
Connector: USB 2.0 9Pin Motherboard Female to USB 3.0 20Pin Housing Male. Let your USB 3.0 20pin device connected the USB 2.0 motherboard. 20 Pin USB 3.0 Female To 9 Pin USB 2.0 Male Motherboard Header Adapter Cord Cable.