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Mod your 4870x2 stock cooler for ~ 40C better performance

post #1 of 8
Thread Starter 
Hey guys, just thought I'd share this with you

A couple of days ago one of my friends called me and told me his card overheated when he played BFBC2. It turned out his card (4870x2 if you hadn't guessed it) shot up to around 105C, and idled at around 85-90C.
I went over to his house and looked a bit at the card. I had talked to him about purchasing another cooler for the card, and we had looked at Arctic Cooling's solution, but he wasn't so easy with spending around 100$ on a cooler.
Well, I took it apart, and found out that there was so much dust in the fan shroud that it completely blocked the airflow, so naturally we removed the dust. Now, as we had already dismantled the cooler, I thought we might as well just change the thermal compound on the card since the stock thing is... well, crap.
I put some Thermalright Chill Factor on the chips, put back the two heatsinks, and then I got an idea.

We looked a bit in the drawers and found an old 120mm fan which wasn't being used for anything but attracting dust. We looked a bit further and found some strips, and so we stuck the fan onto the heatsinks.

When we booted the computer to check how it worked, I was completely blown away. The idle temperature of the card was now only 40C! He loaded BFBC2 and it only went up to 55-60C. This was great, now he didn't have to buy a new cooler, and as a big plus, his card is now as silent as the leaves blowing in the street

On a side note, these results were with the side off, when we stuck the side on we figured we had to put an exhaust fan on it, since all the heat was not being dumped into the case, but with the exhaust fan the results were as good as with the side off.

If you do it yourself, make sure the fan blows through both the heatsinks, or you could also try and place two or more fans on the card.
    
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post #2 of 8
What was the point in sharing that :> Everyone does that cuz they cba spending money on anything.. but +REP for takin your time.
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post #3 of 8
Thread Starter 
Well, I hadn't heard about it, and I sit around on various forums every day, so I thought there would be many others who hadn't thought about it
    
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post #4 of 8
Quote:
Originally Posted by Superbjoern View Post

Hey guys, just thought I'd share this with you



A couple of days ago one of my friends called me and told me his card overheated when he played BFBC2. It turned out his card (4870x2 if you hadn't guessed it) shot up to around 105C, and idled at around 85-90C.

I went over to his house and looked a bit at the card. I had talked to him about purchasing another cooler for the card, and we had looked at Arctic Cooling's solution, but he wasn't so easy with spending around 100$ on a cooler.

Well, I took it apart, and found out that there was so much dust in the fan shroud that it completely blocked the airflow, so naturally we removed the dust. Now, as we had already dismantled the cooler, I thought we might as well just change the thermal compound on the card since the stock thing is... well, crap.

I put some Thermalright Chill Factor on the chips, put back the two heatsinks, and then I got an idea.


We looked a bit in the drawers and found an old 120mm fan which wasn't being used for anything but attracting dust. We looked a bit further and found some strips, and so we stuck the fan onto the heatsinks.


When we booted the computer to check how it worked, I was completely blown away. The idle temperature of the card was now only 40C! He loaded BFBC2 and it only went up to 55-60C. This was great, now he didn't have to buy a new cooler, and as a big plus, his card is now as silent as the leaves blowing in the street



On a side note, these results were with the side off, when we stuck the side on we figured we had to put an exhaust fan on it, since all the heat was not being dumped into the case, but with the exhaust fan the results were as good as with the side off.


If you do it yourself, make sure the fan blows through both the heat sinks, or you could also try and place two or more fans on the card.

I just stumbled across this,

I did the same thing, i have 2 x 4870x2 one is a XFX one is a HIS, and the XFX load is around 50-60 max. where as the HIS is idle on 85 and load is 100.c ~

I was really wondering why this is happening, so I took it apart, like you have said got my Sythe Kaze 3000 rpm fan on the copper strapped it with strips and now boom.. idle is 40.c Max load 54.c Excellent mod and doesn't cost much biggrin.gif

Ill post some pics maybe later on.
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post #5 of 8
+Rep great idea. But why run Vista??? rolleyes.gif
 
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post #6 of 8
yup, grab a few zip ties and strap it in tongue.gif
post #7 of 8
woow thats awesome, could you document it with pics? that would be perfect smile.gif
    
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post #8 of 8
I want to see a photo!

Hope this won't be another ghetto mod.
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