My memory isn't a problem, its 8 GB Kingston PC3 10700 (667MHZ) OC. This will be my second xfx 7870, I had to RMA the first one due to the fan dying from overheating within a month. If it had been the HIS version it may not have happened because of the iceQ cooling. I hadn't even OC'd it yet. I figured water cooled might do better in my situation for the gpu. I have 3 fans mounted in my case to direct air flow, two for the cpu not including the heatsink fan. Since the video card is so long and aims down I only have one fan that directs flow out through the front for it, not including it's stock fan. I was thinking with the water cooling it should help direct the flow from the card far more easily. Once I get the temps under control, then I will start over clocking.