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Ati HD 4870 Custom cooling with stock cooler

post #1 of 6
Thread Starter 
I had another one of my "genius" ideas yesterday. Since the 4870 has a pretty decent heatsink under all that plastic and a loud fan, I was thinking of taking the plastic off and attaching 2 fans onto the heatsink to blow directly onto it. I know hot air would go into the case then and all that good stuff, but I have a big case with good airflow so it wouldn't be a problem.

BUT the problem is there... and it's the heatsink itself that looks sort of like this

As you can see it's not a bad heatsink at all, so applying fans to it would probably do miracles imo. But now look at the left part of the heatsink
Right off the bat you probably see what I meah... why would they do that? Is there anything I can do to get it off somehow? I hate the stock fan, the card is either hot and quiet on default settings, or I can change the speed to be cool, but it's loud as hell
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post #2 of 6
wow... thats a tough one.

I guess one good fan will have to do imo
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From FX to i7
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post #3 of 6
Add a decent 80 - 90mm fan to the more open end and *TA DA* cool heatsink
post #4 of 6
Thread Starter 
It's like they don't want anyone to mod the cooler... I know I could just go and buy an aftermarket cooler, but why would I spend money on a cooler if I already have a great one that's just waiting for fans.

About doing a 1 fan config, do you think it would be better if I put it on as a push or as a pool? I was thinking pull, but I don't know if it would be good for vram.
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Minecraft Slayer
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post #5 of 6
Push, then have a fan at the slot to exhaust the air away from the card.
post #6 of 6
Thread Starter 
Any other suggestions? I am waiting for someone to come up with a genius idea
I'm going to try the 1 fan method, but idk, the problem is that the "blocked" part of the heatsink is on the side of the card that has a fan, so adding a fan to push and 1 to exhaust at the back would probably overheat the right side of the card? :/

I mean if you look at the picture above, the fan is on the left side, and the exhaust is on the right side. So 1 fan would just blow on half of the heatsink i think
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Minecraft Slayer
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