CablesOnline 4in USB 3.0 20-Pin Header Male to USB 2.0 9-Pin Motherboard Female Adapter (USB3-AD23) (1) USB 3.0 20-Pin Male to (1) USB 2.0 9-Pin Female (2x5) Connects USB 3.0 20-Pin device to a USB 2.0 motherboard Color: Black Length: 4 inches CablesOnline Part Number : USB3-AD23