Extra USB Ports

[king1]

any of these will do what you want.
https://www.pbtech.co.nz/category/compon.../usb-cards

with usb2 you used to be able to get a pci slot plate with usb ports that connect by cable to a spare usb header on the motherboard, which your board does have, but I cannot see any pf that variety available for usb3

As another option a simple USB Hub will do the job
https://www.pbtech.co.nz/category/peripherals/usb-hubs