Quote Originally Posted by irfs View Post
USB keyboard issues use red ports at the back. Ive had so many issues from day 1...But once you hav all the voltages setup proper ! It's rock solid..im gona put up some more benchies soon.
This reminds me of what was happening with my ASUS P67. USB keyboard (G15) would bluescreen my machine after 3 days consistently on USB3 ports. (solved by BIOS update one year later)

Can someone provide a reason for why there are problems with USB2 keyboards in USB3 slots?

In my limited testing (F5 / stock), it appears to be stable with no affects, including my G15 keyboard in a non-red (USB2) port. Will report back benchies / settings / unusual behavior ~UDH5~