You can use USB 3.0 type-A female convert USB3.0 (20pin Header) directly connected to the motherboard USB 3.0 port x 2 switch to USB 3.0 20 pin cable x 1

With this cable, you can directly board 20pin socket, converted to 2 usb3.0 socket

Very easy to use USB3.0 data cable connected to the chassis front panel of USB3.0

There is 2 screw holes at USB 3.0 female end