I've gotten a low RAM warning message a few times since rebuilding my rig and that just won't do. I'm going to need a 16gb kit. 2133mhz kit preferred, because SB. Need something low profile, like a GSkill Ares to fit under my cooler. 1866 or even 1600 is fine too, obviously for a little less money. DDR3 only please. Message me if you can help. Thanks !!