The difference in performance is barely noticable. Try running it at the non-OC speeds, should be the 1600Mhz or 1866Mhz ones to see if it works. If so, then there ya go. WOuld be helpful is we had a bit more info, such as what model and how much of it? If its 4x4GB, then I'm frowning. I'd only recommend 2x8GB for 16GB set-ups as most motherboards support dual channel, less hassle. The lack of quad channel support might be an issue? I don't know as I've never run 4 sticks.