USB 3.0 20Pin to USB 2.0 9Pin Mainboard Front Panel Connector Adapter Converter
Connect your USB 3.0 20pin device to the USB 2.0 motherboard or connect your USB 2.0 9pin device to the USB 3.0 motherboard. USB 3.0 20-Pin to USB 2.0 9-Pin Adapter Motherboard Front Panel Connector Converter.