Asus brings you the worlds first discrete usb 31 card asus usb 31 card is the simple to fit pci express expansion card that works with any pcie slot it adds dual usb 31 ports to your asus motherboard for ultimate speed transfers of up to 10 gbs or twice as fast usb 30 the next generation standard is completely backward compatible with your existing gear and youll be all set for usb 31s breakneck speeds and asus exclusive usb 31 boost technology pushes real world speeds faster tha