2pcs USB 2.0 9Pin to USB 3.0 20pin Housing Header Female Cable Reversible for Motherboard Let your USB 3.0 20pin device connected the USB 2.0 motherboard. or Let your USB 2.0 9pin device connected the USB 3.0 motherboard. Data speed: 480Mbps for USB 3.0 device. The package included two cables.
