For a 8150, best bet is 1866, few 8150s can run 2133 sticks or above (at least at 2133 or higher), the FXs are rated up to 1866 for 2 sticks and can often require a CPU OC, believe shortstuff_mt is thinking of AMD APUs which are different animals from CPUs.... For your combo would suggest GSkill Snipers in 1866/9