Let your USB 3.0 20pin device connected the USB 2.0 motherboard.

Let your USB 2.0 9pin device connected the USB 3.0 motherboard.

Data speed: 480Mbps for USB 3.0 device.

The package included : 1pc Reversible USB 2.0 9Pin Housing Adapter ; 1pc Motherboard USB 3.0 20pin Header Female Adapter.