That Northbridge gets crazy hot, especially with higher overclocks. I touched the heatsink shortly after running FSB 400 and turning the computer off and I easily could hav burned myself if I held my finger to the heat sink. I think the 50 MM fan has improved my stability, but unfortunately that hot air blowing down on the mobo has raised my cpu temps a little bit b/c they're in such close proximity. I'm looking to upgrade my Motherboard towards the end of the year, so for now everything is ok. Noise isn't too bad, but then again I used to use a box with a gainward 6800gt and a 36 gig raptor.