>> All I can say is that I have been using my Radeon with similar >> heatsink for 6 months no without any problem. The fan died and I >> replaced it with a passive heatsink. I don't have processor upgrade >> though. >> > Was the fan noise very noticeable? Are there quieter fans available > that would fit on the card? The fan is almost silent when new. Unfortunately, it takes about a year - year and a half for it to go bad and to start emitting screeching noises. There are replacement fans out there, none of them are especially noisy, but I opted for a passive heatsink to solve this problem once & for all.