Quote Originally Posted by skindogg View Post
I just put the FC Koolance block on my 4870 over the weekend, and my VDDC temps are in the 80s while gaming and in the mid 90s while run GPU folding client. The GPU itself is in the mid 40s though. I put a dual slot fan right under the card too running about 80%. I'm wondering if running them all day in the mid 90s will kill it or not. Looking at temps in gpuz 0.2.7

I did run furmark and stopped it when they went over 105C
Thermal maximum for the DVRMs used on the reference 4870 is 125C. Therefore, you are likely fine but if your temps are getting over 110C I recommend you look at some additional cooling.