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Do side panel fans help cool the GPU at all?

post #1 of 24
Thread Starter 
So I have done a ton of googling and searching on OCN and I am getting very mixed answers. Some people say that if you have 2 front intakes, 1 bottom intake, 2 top exhaust, 1 back exhaust, and you add a side panel fan that yourr graphics cards will get much hotter. However, some say that it will help cool them and temps will drop a lot, especially in CF or SLI configurations.

So I need to know if a side panel will actually help cool graphics cards or not. I don't care so much about the CPU, I just need 2x 6970's to stay cool and under 80 degrees in CF. The reason I am asking is because I am choosing between a few cases, some that have windows and others than have fan holes in the side panel.

So what have your experiences been with intake fans on the side panel?
post #2 of 24
I always thought side fans helped with CPU temps the most, but can also help with Sli and xfire setups.

Though, to me the most important of all is a top exhuast fan, like a large 240mm like the Azza Solano 1000 has.

heat rises thumb.gif
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post #3 of 24

Loud, vibrating, extra noise but definitely helping cool them GPUs.

 

My sig rig is on a 650D w/o any side panel fans as opposed to my CM 690 II (currently modding) where I had 2 fans blowing air inside. My GPU temps on my CM 690II were around 55*C ~ 60*C on load and right now on the 650D 61*~65*C on load. So yeah there are definite differences in temps and side panel mounted fans do help in cooling but input a lot of dust inside the case.

 

But at the end of the day...getting them cards underwater is the best investment you can get.

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post #4 of 24
Speaking to my sig rig, I currently have front and side intakes, and a back exhaust. I originally had a top intake as well but it was just getting too noisy - that piece of information is irrelevant for this discussion though. To answer your question, I have seen my graphics card temperature drop slightly (maybe about 2-4*C) with the addition of the side panel intake fan. The difference is less noticeable when the graphics card is being heavily used (ie. gaming)... in my experience. I usually see something like a 76*C vs. 78*C peak temperature during BF3.
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post #5 of 24
I had CM HAF 912 with only 2 fans 1 intake 1 exhaust

then i bought 6 sickleflow I set 4 and my GPU has 13°c less on load OCed on EVGA OC scanner

having 2 intake front, 1 intake side and 1 exhaust back
Edited by PontiacGTX - 2/28/12 at 5:30pm
post #6 of 24
I have the mesh panel on my 600t with 1 200mm NZXT intake fan on the front, Corsair H100 Intake on the top with gentle typhoon 1850 rpm fans, 1 rear exhaust scythe slipstream 1500rpm fan and 4 Bitfenix spectre 1000rpm fans on the side panel. the Top 2 are intake bottom 2 exhaust. It's probably not the smartest to have them like that but i'm too lazy to change it. Honestly though they help a little bit, but I always get much better temps with the side panel completely off.
 
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post #7 of 24
If there's a fan port there, the engineer wanted you to put something there wink.gif

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post #8 of 24
Quote:
Originally Posted by ComradeNF View Post

So I have done a ton of googling and searching on OCN and I am getting very mixed answers. Some people say that if you have 2 front intakes, 1 bottom intake, 2 top exhaust, 1 back exhaust, and you add a side panel fan that yourr graphics cards will get much hotter. However, some say that it will help cool them and temps will drop a lot, especially in CF or SLI configurations.
So I need to know if a side panel will actually help cool graphics cards or not. I don't care so much about the CPU, I just need 2x 6970's to stay cool and under 80 degrees in CF. The reason I am asking is because I am choosing between a few cases, some that have windows and others than have fan holes in the side panel.
So what have your experiences been with intake fans on the side panel?

I did 460s in SLI inside of a 600t with fans similar to what you described, only with 1 each front intake and top exhaust (stock 200mm). Having 4 120s on the side as intake did help with temps on the top, hot card. I don't have screens or anything, but I know those cards certainly didn't get any hotter. The bottom card, as I remember, stayed about the same.

Are you going to have anything between the two 6970's? In the scenario I mentioned, I had a sound card underneath a cyclone 460 cigar.gif

Anyway, cool question. I have 1 6970 now and the 600t sitting in the corner looking at me. I'll be asking myself this question in the future somewhere.
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post #9 of 24
Thread Starter 
Quote:
Originally Posted by Trev0r269 View Post

I did 460s in SLI inside of a 600t with fans similar to what you described, only with 1 each front intake and top exhaust (stock 200mm). Having 4 120s on the side as intake did help with temps on the top, hot card. I don't have screens or anything, but I know those cards certainly didn't get any hotter. The bottom card, as I remember, stayed about the same.
Are you going to have anything between the two 6970's? In the scenario I mentioned, I had a sound card underneath a cyclone 460 cigar.gif
Anyway, cool question. I have 1 6970 now and the 600t sitting in the corner looking at me. I'll be asking myself this question in the future somewhere.

Nothing between the 6970's, just an empty space. However, they are separated.

It's interesting that you mention the 600T. I was almost set to order that case yesterday but I stopped because of users reporting that the front and top fans don't even intake/exhaust as much air as a 120mm fan, and that it is very difficult to find replacement fans for them since corsair uses low profile 200mm fans. That and the fact that a lot of people told me that it is overpriced, and that there are many better options under $120.

Right now I am having a hard time deciding between the 500R and the Phantom 410. Both are extremely sexually attractive but they each have something that I wish was in the other.
post #10 of 24
Tempest 410 59$ on newegg and amazon
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