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GPU Fan Location

post #1 of 5
Thread Starter 
Hey guys! I'm looking into purchasing SLI GTX 460s sometime this weekend, and I am now stuck between which model to buy.

I was hoping that you all would be able to help explain a major difference between the cards that has been nagging at me on all of my searches the past several months; that of where the fan is located.

For example, on this EVGA card, the fan is located in the middle whereas on this other EVGA card, the fan is located on the far side. Certainly, it is easy enough to see a difference in model numbers, but what exactly do the different cooling options mean?

Obviously, I am most concerned about how they will perform in my own case, specifically, when they are hooked together in SLI, but I was also wondering about this function in general. I know that my current card has the fan located on the far side, and I have been quite happy with the performance and temperature levels, but with a solid investment into the SLI market, I was not sure how this fan placement would effect performance.

Thanks in advance!
 
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F@H
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post #2 of 5
Fan on the end means the air exhausts out the back. The middle fan exhausts hot air into your case.
 
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post #3 of 5
Thread Starter 
So I have a decent sized CPU cooler blowing air out the back of my case, with decent airflow due to my Antec 900. Would this mean that either is a viable option?

Of the two, which cools the cards better? Is it all, as I think, dependent on airflow within the case? A more basic question I suppose, would be, is there a noticeable difference? Sorry, these are quite redundant...
 
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post #4 of 5
From this http://www.xtremesystems.org/forums/...d.php?t=260876 it looks like the card with a middle fan will cool better.

Video review of the card that have the fan on the far side http://reviews.comze.com/evga-geforc...haust-578.html

In this GTX 460 roundup the Zotac card has the fan on the far side, and as you can see, have among the highest temps in this roundup http://www.guru3d.com/article/geforce-gtx-460-review/13

However, this Zotac card has a very limited vents in its bracket when compared to the EVGA EE bracket http://www.guru3d.com/imageview.php?image=24926
Edited by turrican9 - 12/24/10 at 8:28pm
    
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post #5 of 5
I personally prefer cards with blower coolers on them because all the hot air doesn't exhaust into the case, it instead goes out the back of the card. It does result in higher temperatures for the card in most cases but most new cards can handle that, and creating a fan profile in MSI Afterburner can change that anyway. Yeah cards with coolers like the MSI Hawx edition 460 will result in better temperatures, but all of that hot air from the GPU goes right back into the case, which isn't that great. It's not really a big issue in your case since you have a 900 with the side panel intake as well as the large exhaust up top so basically just go with whatever you feel would work better.
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