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Normal for 2x GTX295 SLI?

post #1 of 17
Thread Starter 
I think I got some serious heat issues here, I got a great case with Akasa S-Flow fans and everything set right. Blow inside from front and blow out from top and back. And I havent overclocked my Graphic cards, only CPU. So Are these temps normal?

IDLE:
TEMP°C USAGE% FAN%
GPU1: 65 °C 0% 41%
GPU2: 65 °C 0%
GPU3: 78 °C 0% 50%
GPU4: 72 °C 0%


Tested L4D2
LOAD:
TEMP°C USAGE% FAN%
GPU1: 72-82~ °C 40+% 70+%
GPU2: 75-85~ °C 40+%
GPU3: 87-99~ °C 40+% 80+%
GPU4: 82-95~ °C 40+%

I have set MSI afterburner to speed up fans when temps go above 70 °C

So *** is this normal?

This is what I did so far so dont tell me to do any of these.
post #2 of 17
Are they spaced?
Are they dual or single PCB?

They can run quite hot, mine F@H would regularly hit 90°c with 100% fan speed.
But L4D I wouldn't think is enough to really stress the cards.

So it's a spacing problem, airflow problem or insufficient fan speeds.

I see see your specs now.

Since you have voltage control and if you're not oc'ing them, lowering the voltage would help.
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post #3 of 17
dual cards in sli? HOT is normal
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post #4 of 17
Thread Starter 
Quote:
Originally Posted by grunion View Post
Are they spaced?
Are they dual or single PCB?

They can run quite hot, mine F@H would regularly hit 90°c with 100% fan speed.
But L4D I wouldn't think is enough to really stress the cards.

So it's a spacing problem, airflow problem or insufficient fan speeds.
Dual PCB, and no there is no space at all beetween cards cause its normal ATX motherboard with 2x 16x slots.

Do you have any suggestion how to set the fans in front of my case? Currently I got 2 Fans under the second card blowing inside and third fan way up in the upper part of case there is about 8cm distance beetween the lower 2 fans and 1 upper fan.

And can decreasing voltage damage the cards? If I drop it too much... I havent done graphic card overclocking. -.- Or any sort of modifications to them.
Edited by TehOwnator - 3/18/11 at 8:09am
post #5 of 17
Thread Starter 
Oh nvm about taking down voltage, I can only drop it from 1037(mW) to 1000(mW).
post #6 of 17
The lack of spacing is driving up your temps, airflow can only do so much in your situation.

Lowering the voltages too much would cause instability, you just have to find the lowest stable voltage.

EDIT> every little bit will help.
Edited by grunion - 3/18/11 at 8:18am
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post #7 of 17
Thread Starter 
Quote:
Originally Posted by grunion View Post
The lack of spacing is driving up your temps, airflow can only do so much in your situation.

Lowering the voltages too much would cause instability, you just have to find the lowest stable voltage.

EDIT> every little bit will help.
:/

Do you know if it would be caused by my side panel fan? I dont feel any air coming out of case, I got the Akasa apache S-Flow fan on the slot.

http://tech-reviews.co.uk/reviews/ak...mm-apache-fan/
post #8 of 17
Quote:
Originally Posted by TehOwnator View Post
:/

Do you know if it would be caused by my side panel fan? I dont feel any air coming out of case, I got the Akasa apache S-Flow fan on the slot.

http://tech-reviews.co.uk/reviews/ak...mm-apache-fan/
Pull the side panel off, see how much the temps drop.
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post #9 of 17
Thread Starter 
Quote:
Originally Posted by grunion View Post
Pull the side panel off, see how much the temps drop.
I will try that when I get back to home, I also will buy compressed air to see if there is any dust. Tho I couldnt see any with flashlight :/
post #10 of 17
get some Air Penetrators, works wonders from sandwich situations, i got 3 of the hotest cards in sli and another card above , a single AP fan made a 10C diffrence during furmark
 
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