TechnoD :
So i have 2 5870's, and one of them is running quite hot. I would like to get a custom cooler for the card, but I don't know which one is the best.
Its a Sapphire Radeon HD 5870, reference model heatsink
I would prefer if the heatsink was $50 or less, but if i need to stretch that a bit for a really good cooler, I will.
Thanks again,
TechnoD
I had similar problems, only solution i found (after cleaning, using expensive thermal grease and optimizing whole PC air flow) is use MSI afterburner with user defined fan speed.
You need to play a bit with the fanspeed/temperature lines there and you will have higher fan sound but your cards will never go over 70-75 = your cards's memories will never fail.
You setup in amd catalyst the performance/amd overdrive on with custom fan speed enabled, you run msi afterburner, it asks you to reboot if i recall, and then you setup oh, let me show you two screenshots and be done with it.
i bet on your crossfire you can set different fan speeds for every card and different fan schemes. Now, if you check ebay, you will see there are LOADS of 5870 fans = better burn the fan than the card. I also want to add that i am using this kind of solution when i am gaming the last 3 years and i haven't replaced my hd5870 fan yet. Yes it is noisy however i prefer that , because if i set it right every different season (winter summer etc) i can have my gpu change 20-25 Celsius from idle to 100% which trust me is the best way to have a longterm relationship with a graphic card, as the contraction and expansion because of the heat is minimal (compared to a card playing from 30C to 90C right?) and that means you will possibly never have to reflow any gpu or memory of it.
I am also all in for a good aftermarket heatsink / fan but only if i get it really low and no one guarantees you that peak temperatures will drop significantly on your setup on your particular pc tower and it's spot in your house.
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