Quote Originally Posted by bat4 View Post
Don't worry. You motherboard is not affected by the Etron problems, because Extreme7 uses ASMedia ASM104 USB 3.0 controllers, which are reliable.

The Z68 Extreme4 Gen3 motherboard uses the famous Etron EJ168A controller.

XFast does more harm than good, so I after a few test I have removed it.
ASM1042 and regardless of USB3 controller its recommended to use the USB2 ports for USB2 devices according to my contacts.