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h100 on top: intake or exhaust? help?

post #1 of 31
Thread Starter 
h100 corsair on top: exhaust or intake?


The title says it all.
Basically, I have a lot of fans (case in sig) like that:

4 fans on lateral plate, 120mm, intake.
1 120mm rear fan, exhaust.
1 140mm front fan, exhaust (as to help dispose of the 6990's hot breath)
1 bottom 120mm fan, intake (to cool the bottom of the vidcard, or part of it)
1 80mm fan on the back of the mobo, to cool the proc area from behind.


option 1: h100 on top 2 slots: EXHAUST
I turn the rear fan to intake and install the h100 as exhaust.
I fidure with 4 fans lateral + 1 fan rear, I have a good flow.
My only fear is shove a lot of hot air through the radiator.

option 2: h100 on top 2 slots: INTAKE
I change the top 2 fans from the lateral plate to exhaust. That way I hope to interrupt the hot breath from thr radiator to reach the vidcard and vice-versa.
The 2 fans bellow will still keep the card ventilated ( I think).


So, what do you guys, with a lot more experience than I have, think?
Suggestions welcome (still 2 days for the last piece, my 8150,m to arrive grr).

Pax,
Alex
    
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post #2 of 31
just vent the heat out of your case, thats basically the golden rule with cooling.

so,
^^^^^
h100
^^^^^
   
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post #3 of 31
If you use it as exhaust, you'll be intaking slightly warmer air.

I'd prefer to use it as intake because of
- cooler air from outside
- negative pressure thus your case will push air out of the tiny crevices and cracks (I find this has less dust)

But its really up to you, I dont think the temps will be that much different.
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post #4 of 31
Exhaust,
    
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post #5 of 31
I build systems for people for fun I have been using corsair H series coolers for awhile, and this is what I recommend to you.

For your case and 6990 GPU you should make your H100 intake because it will bring cool air into the case for your motherboard and RAM, but not much father past that, have cooling on the lower half of your case blowing air towards your videocard and moving the air out the expansion slot on the back of your case. If you set it up as intake you will see 5-10C lower temps as well.
 
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post #6 of 31
I use Intake with my H50, lower temps since it's drawing in colder air. Also helps with reducing the amount of dust in your case.
     
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post #7 of 31
For the h100 you want it to intake. Dont negate the reason For having the cooler in the first place. Also if you have other fans pulling in and the only one exhausting is the rear fan and your gpu it will cause positive pressure in your case meaning it will force dust to be at a min and your temps to drop because your pulling more cool than hot. Then all of the open holes in your case will serve as exhaust also.
Edited by Anti!! - 10/25/11 at 6:28am
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post #8 of 31
Thread Starter 
Ugh,

Seems like there's a lot of different opinions here.
Perhaps I'll try both setups, do a scan and post the results for everybody to see?
Edited by alexmaia_br - 10/25/11 at 7:47am
    
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post #9 of 31
Thread Starter 
Quote:
Originally Posted by txtrkandy;15446536 
...have cooling on the lower half of your case blowing air towards your videocard and moving the air out the expansion slot on the back of your case. If you set it up as intake you will see 5-10C lower temps as well.


The problem here, as I understand, is that dual cards, like the 6990 and gtx 590, actually exhaust from both ends, meaning it breathes hot air into the case. So my front fan is in exhaust to throw it out. At least, that was my logic.
biggrin.gif
    
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post #10 of 31
Is it a reference card? What cooler is on it? I did forget about dual GPU cards doing that...

EDIT: Either way I would still say have your H100 be intake...
 
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