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Palit GTX 460 ghetto mod

post #1 of 17
Thread Starter 
Hey guys.

My palit GTX 460 2gb in SLI runs very hot (furmark pushes it to 90c in a mere minute)

Anyways i've tried a little tweaking here and there, i've undervolted them to 912 and set custom fan profiles in order to get them down. (Though they are now rather loud)

In terms of physical tweaks i've changed the TIM and wedged a little chipset cooler onto the end to blow in some cold air onto the VRMs and main heat sink.


As my cards are very close to each other so i wonder if you have any further sugestions to help lower the temperatures?

Also what would be safe for me to use to block the cards off from eachother - e.g. a thin sheet of plastic?

temps are around 43c idle now and 77c after Heaven 2.5 benchmark, Furmark still brings them to their knees 90c after 3-4mins.


Here are some pics to give you a better idea and come up with some cool or crazy suggestions!





EDIT: PSU fan is facing down

Edited by Geriden - 3/21/11 at 4:14am
post #2 of 17
Considering you put the fan on one end, the air has nowhere to go except the other side. A fan on the side panel (if possible) would help you here, and that is still a bit of space. There are many times where the cards are right next to each other and there is barely a gap, but tbh the cooler on this card isn't great (2 heatpipes and small) so thats why your temps wont be all to great either way + the less amount of air the second card gets.
    
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post #3 of 17
Thread Starter 
I have a 200mm intake fan on the side panel already and yes the palit cards are piss poor stock coolers, hence the need for ghetto modding! they dont have heat pipes.

In an ideal world i'd like to get my hands on a HAF X and just move the bottom card to the lower PCI-E slot, however current finances wont allow that at the mo.
post #4 of 17
See the side of your harddrive cage opposite the graphics card, mount a silverstone Air Penetrator fan there, a 140mm would work a treat.

I have done basicly same thing in my case with my gtx 480's knocked 10C off temps. I got gtx 480 card out at moment, still cable managment.

Its like a GPU wall lol.

 
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post #5 of 17
Thread Starter 
Quote:
Originally Posted by Jump3r View Post
See the side of your harddrive cage opposite the graphics card, mount a silverstone Air Penetrator fan there, a 140mm would work a treat.

I have done basicly same thing in my case with my gtx 480's knocked 10C off temps. I got gtx 480 card out at moment, still cable managment.

Its like a GPU wall lol.
Hey thats a pretty neat idea. I have a 200mm intake fan on the front, but i do have a spare 120mm knocking around i can hook up as an additional intake on the interior side of the hdd bay, suck some extra cool air on those babies.

As you can see from my photo i tend to use the spare space of the lower hdd cages to store excess cable from the PSU so i'll have to change it around a little in order to mount a 120mm fan on but i'll certainly give it a go and see what results i can achieve.
post #6 of 17
Thread Starter 
Made no difference atall, idle temps the same, as was the Heaven 2.5 benchmark temps. All its done is add to the noise
post #7 of 17
i wouldnt put a sheet of plastic ect between the cards.
theyll just get hotter
they have chips on the back as well. these will heat up.

i noticed ur top card is leaning down a bit. find a way ( NON conductive preferably ) to keep it back up level lol
    
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post #8 of 17
Hmm i dunno then, having that power supply there might not be helping, can you face the fan of the power supply down?

your case have a mesh floor or something for it to draw air?
 
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post #9 of 17
Thread Starter 
Ah, sorry forgot to mention the photo was taken before i moved the PSU. It is currently facing down.
post #10 of 17
I actully fail to see why your so stressed about those temps.

During heaven my cards hit temps of 86,89,92 and the lazy physx gets to about 60.

In furmark my temps are almost unsafe at 99, 101, 102, 85.

and if you think yours are loud well, sounds like spaceships landing in my room

If you really wanted to cool those puppies, get some cyclone coolers.
 
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