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Case Side Fan: Intake or Exhaust? (Temperature data graph) - Page 2

post #11 of 17
Intake dominant setups do not collect dust as much as exhaust dominant fan setups afaik. Good to know that they are cooler as well.
I suggest considering to cover all inlets without active fan air induction with sellotape for this is the best way to keep the pressure of the moving air intact. If there is free flow, air discharges its dust. Also, all air that enters the chassis has to flow through cooling fans in this setup, I'm happy to see the results: my stock hd5770 can take on 1.299v at 73c.
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post #12 of 17
Quote:
Originally Posted by kiwiasian View Post
Interesting, a lot of people recommend having a side case fan on exhaust.
I run it as intake anyways.
that's a first.

though I do run my top fan as an intake on my 922. It does give better temps for my H50. Makes sense since running it as an exhaust would create a vacuum next to the H50's fan (exhaust).
 
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post #13 of 17
Thread Starter 
Quote:
Originally Posted by ez12a View Post
that's a first.

though I do run my top fan as an intake on my 922. It does give better temps for my H50. Makes sense since running it as an exhaust would create a vacuum next to the H50's fan (exhaust).
That's not necessary a good idea.
Heat rises.

In my case (no pun intended) all fans are intake except my top 200mm exhaust.
post #14 of 17
Hot air goes where you push it. I have 2x UK 3000s pushing cool air directly into the front fan on my heatsink. With the top on intake as well, the air doesn't get a chance to rise. It's drawn through the heatsink fans and sucked out the back by another UK 3000. I tried top intake and exhaust and intake was better by ~5c.

Attachment 192231
post #15 of 17
Quote:
Originally Posted by kiwiasian View Post
That's not necessary a good idea.
Heat rises.

In my case (no pun intended) all fans are intake except my top 200mm exhaust.
decreased temps 1-2C. Heat may rise but in this case, massive positive pressure works to the H50's advantage. And as mentioned in my previous post, running such a huge fan on top as an exhaust will create a vacuum at the h50's intake fan (i.e. you're pulling air away from the H50).

Try it for yourself.
Edited by ez12a - 1/25/11 at 8:20pm
 
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post #16 of 17
Got a Thermalright 140mm X-Silent as side panel intake, getting better temps at lower noise level than I did with my Yate Loon there. Of course, I also swapped the front intake for a Xigmatek XLF-F1706:
http://www.xigmatek.com/product.php?productid=86

I've got 2 NZXT 140mm fans running intake on the bottom, 2 Prolimatech Blue Vortex 140mm's on top as exhaust, and a CM Blademaster 120 as rear exhaust behind the heatsink. And a San Ace H1011 on my heatsink.

I have a thing for fans...
post #17 of 17
Intake, of course.
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