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Will a side case fan help reduce GPU Temp

post #1 of 13
Thread Starter 
I have a few threads going about my GTX 460 running hot, after being told by a friendly KhaoticKomputing (sorry if I spelt it wrong) to make a EVGA Precision Profile, shown here:

http://img28.imageshack.us/img28/9849/rawrk.png

I used to hit the big 95C on Just Cause 2 (average of 90-91C), now my Average is 80-82C with 90C+ on very-high intensive parts of the game (such as an extremely big explosion or when I run the benchmark). I am Averaging about 54 FPS with these settings:

Texture Detail : High
Shadow Quality : High
Anti-Aliasing : 2x
Anisotropic Filtering : 16x
Water Detail : Very High
Objects Detail : Very High
Decals : On
Soft Particles : On
V-Sync : On

Is this okay, or would a side fan (as there isn't one in my Aspire PRedator) help to further reduce the temperatures.
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post #2 of 13
Yes! Side fan will help lower the GPU temps [basically you'll have a cold air blowing over your cards]
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post #3 of 13
Well I added a 140mm side fan to my Zalman GS1000 case and found it cooled my GTX 470 a little. When I say a little I mean about 6/8c(ish) . Having it sucking or blowing didn't seem to matter to the temp, as both had a similar effect temp wise. Sucking the air out has reduced dust (which will increase heat over time) and sucked the hot air out and blowing on the card cooled it, but then i saw more dust build-up on it.

I also stripped my GPU and reapplied the thermal paste which had some effect too.

The short answer is I would try for a side fan as the 90c seems a bit high. Whether it's sucking or blowing is a personal choice and dependant on the air flow you already have in the case.
Edited by BodgeITandRun - 4/20/11 at 3:37am
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post #4 of 13
Oh and one other thing worth trying is altering your fan profile a bit. Maybe have the fan speed starting at 50% rather than the 40% it's at now. I find that helps.
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post #5 of 13
Thread Starter 
I'll give it a go smile.gif -- Also I am getting a 80mm Sharkoon Silent Eagle 2000 fan, 80mm because the vent on the side of my Predator case isn't huge
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post #6 of 13
Side fan will definitely help. Depending on how your case fans are set up, i'm betting that since you don't have a side fan yet, the only air it's getting is from the front intake if you have one, which will probably already have been warmed up by the hard drives.
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post #7 of 13
Thread Starter 
Yes, I have taken a quick look inside the care, an 80mm with rubber mounts will easily fit on the one vent it does have. I did look on the motherboard and all 'SYSFAN' points have been occupied by either the CPU Liquid Cooling Radiator, or the Hard Drive Fan or the little fan over the motherboard, dont know what its cooling but copper pipes go all over the Motherboard.

If I plug it in directly to the PSU with the default 3-prong connector that old IDE drives used, will it always run at 100% speed (Silent Eagle 2000)
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post #8 of 13
Quote:
Originally Posted by Annie the Eagle;13199898 
Yes, I have taken a quick look inside the care, an 80mm with rubber mounts will easily fit on the one vent it does have. I did look on the motherboard and all 'SYSFAN' points have been occupied by either the CPU Liquid Cooling Radiator, or the Hard Drive Fan or the little fan over the motherboard, dont know what its cooling but copper pipes go all over the Motherboard.

If I plug it in directly to the PSU with the default 3-prong connector that old IDE drives used, will it always run at 100% speed (Silent Eagle 2000)

That little fan over the motherboard is the fan to cool the CPU heatsink.

When the Silent Eagle 2000 fan is connected to the PSU directly, it will always at 100% speed.
post #9 of 13
Just for giggles, use EVGA persision, and crank the fan to 100% report back with what that dose to your temps while in game.
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post #10 of 13
I have found that while a side fan will help a little, a fan behind the card works better. It is usually possible to attach it to the hard drive cage or something simular. The idea is that the air is flowing smoothly over the card right out the back taking the heat with it. To assist in removing the heat you can even remove the PCI expansion slot covers that are directly above and below your card. That way the air has an easier path to follow. Another option would are expansion slot vents they make if you don't like the look of the open wholesaler around the card.

Just something you can try to see what works better in your set up.

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