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GTX 460 SLI Temps

post #1 of 18
Thread Starter 
I recently set up a SLI with 2 EVGA 1gb gtx 460s, but for some reason, the second card gets noticibly hotter then the first. at idle the main is at 33 C and the 2nd is at 53 C. is this normal?
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Sasha
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post #2 of 18
Thread Starter 
edit, sorry the first card is getting noticibly hotter
Sasha
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Sasha
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post #3 of 18
Quote:
Originally Posted by Cloudus View Post
edit, sorry the first card is getting noticibly hotter
Are the two cards sandwiched (really close together)? If so, take out the bottom card and monitor the temps. When you mean second card, is that the top or bottom card? The top card should run hotter.
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post #4 of 18
That is what happens with mine, my top card is almost 20c hotter sometimes. I rigged a fan to blow directly on the cards from the side and it dropped my top temp by almost 10-12c.
post #5 of 18
Thread Starter 
im thinking its because the first one isent geting as much airflow, because i have a 140mm fan at the bottom. here is a pic.

Sasha
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Sasha
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post #6 of 18
Even with the single PCI slot between them, the top card will still run quite a bit warmer. It's just the product of your configuration. A side-panel fan helps.
    
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post #7 of 18
Quote:
Originally Posted by Cloudus View Post
im thinking its because the first one isent geting as much airflow, because i have a 140mm fan at the bottom. here is a pic.

Well heat does rise, so its normal for the top GPU to get hotter. Try making the side fan an exhaust instead of an intake. That sometimes helps keep the top card cooler. I run that configuration on my multiGPU rigs.
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Lola
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post #8 of 18
Thread Starter 
my side fan takes in air, so your saying i should make it so my side 200mm blows air out?
Sasha
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Sasha
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post #9 of 18
I found the issue with my cards was that the hot back of the bottom card was right next to the intake on the top (I have no slots inbetween) and while exhausting the air out the side helped drop case temps a few c, what I needed was air being blown over the cards to help move the stagnant air out and get the top card some "fresh" air instead of cooling itself with the 60c air from the bottom card
post #10 of 18
Thread Starter 
maybe i should replace the 200mm on the side panel with 2x120mm scythe fans at crazy RPM?
Sasha
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Sasha
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