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1st card temperature rise when in SLI

post #1 of 16
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I just installed another gtx 460 and the main card temp rose 10-15 C. It used to be 30-35, now it's 45C at idle. The 2nd card is at 30C. I have it hooked up to a 42in TV and a 19in monitor. Is this normal?
Edited by burninforyou - 12/12/11 at 10:46am
post #2 of 16
Yea it's. Normal for temps to rise when in sli due to the lack of area for cooling I'm guessing the 1st card is on top where the fan has little room


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post #3 of 16
Yeah the idle temp on my cards went up about 10C, though it varies; sometimes it's less. And temp under gaming load as gone up probably about the same; ~10C.
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post #4 of 16
it is normal. the bottom card restricts airflow to the top card. you can help this by mounting a 120mm fan on the side blowing directly inbetween the cards.
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post #5 of 16
Quote:
Originally Posted by Tipless View Post

it is normal. the bottom card restricts airflow to the top card. you can help this by mounting a 120mm fan on the side blowing directly inbetween the cards.
Look at his motherboard he has room between his cards.


Those are completely average normal temps. You got lucky 30-35c IS GRATE. 40-50c is average. To solve this minor problem you can get a 90mm fan and strap them to your PCI E 6pin cables using zip ties. Thats what I did and it seems to work grate with my SLI. I all so change the thermal paste. I was in the 54c range now im at 45c-50c
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post #6 of 16
It's completely normal mate, heat rises and unfortunately the top card feels the brunt of it..
 
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post #7 of 16
It's totally normal. My 450's, with one slot space between them, and an 80mm fan over both of them, the card where the monitor is connected is around 10c hotter than the one below.
   
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post #8 of 16
Quote:
Originally Posted by sabbathcrazy View Post

Look at his motherboard he has room between his cards.
Those are completely average normal temps. You got lucky 30-35c IS GRATE. 40-50c is average. To solve this minor problem you can get a 90mm fan and strap them to your PCI E 6pin cables using zip ties. Thats what I did and it seems to work grate with my SLI. I all so change the thermal paste. I was in the 54c range now im at 45c-50c

whether it is 1 slot or 2 between, it will restrict airflow. i stand by what i said and others here will too. the top card is always hotter. i have 2 empty spots between my cards and when they were on air, the top card was hotter. on water now and they are the same
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post #9 of 16

As others have staed it's normal, regardless of spacing. The heat from the second card generates more heat inside the system. Which means your main card is sucking in air at a higher temperature. Use a side case fan (reccommended) or set your fans manually.

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post #10 of 16
Quote:
Originally Posted by burninforyou View Post

I just installed another gtx 460 and the main card temp rose 10-15 C. It used to be 30-35, now it's 45C at idle. The 2nd card is at 30C. I have it hooked up to a 42in TV and a 19in monitor. Is this normal?
Quote:
Originally Posted by TheGamefreak View Post

Yea it's. Normal for temps to rise when in sli due to the lack of area for cooling I'm guessing the 1st card is on top where the fan has little room


Sent from somewhere using something withTapatalk
Quote:
Originally Posted by Reloaded83 View Post

Yeah the idle temp on my cards went up about 10C, though it varies; sometimes it's less. And temp under gaming load as gone up probably about the same; ~10C.
Quote:
Originally Posted by Tipless View Post

it is normal. the bottom card restricts airflow to the top card. you can help this by mounting a 120mm fan on the side blowing directly inbetween the cards.
Quote:
Originally Posted by Lifeshield View Post

As others have staed it's normal, regardless of spacing. The heat from the second card generates more heat inside the system. Which means your main card is sucking in air at a higher temperature. Use a side case fan (reccommended) or set your fans manually.



 

Guys, you're also forgetting that he's using two monitors. He could have the distance of the Nile between his cards, it wouldn't matter. His second card is downclocking, and his first card is staying at 100% speed/voltage, thus higher temps. Airflow doesn't really have that much to do with it. Check with HWMonitor -- you'll see one card using higher voltage than the other. 

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