Thats during a full load test that it gets to 50. Using prime95. Try it, thats one way to find out if it runs stable after you've overclocked. EDIT: Looking at your pics, are your graphics cards not really really hot during use? The air flow towards your cards doesn't look too great, surprised they havn't overheated already! I.E Sort those cables out Actually I just noticed the fan on your case door, that will help a lot I imagine! I used to have one on mine, but I had to remove it as I couldn't shut the door with that heatsink being so big....