MSI X99A SLI PLUS ASMedia USB 3.1 Driver 1.16.28.1 Apr 20, 2016
... USB 2.0 ports (Rear): 2 - Audio ports (Rear): 5 + Optical S/PDIF OUT - Form Factor: ATX - SLI: Yes - 3-way SLI: Yes - CrossFire: Yes This ... needed for installing the ASMedia USB Host Controller driver. If it has been installed, updating (overwrite-installing) may ...