Push/Pull CPU Cooler

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RwYeAsNt

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Aug 9, 2013
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Hey everyone,

Working on my first build and I just had a simple question.

I have a Corsair H50 Liquid Cooler and I am going to be making a push/pull config with it. Now my question is real simple: Should I be bringing the air in to the case, or out?

To clarify, I have an NZXT Phantom Enthusiastic Full ATX Tower. And the only way I see my H50 working is in the top fan slot at the back of the case. Now if I install it there, it will be taking air out of the case. Is that okay? Because wouldn't it be using generally warmer air (if it's pulling the warm air from the inside of my tower) and not cool my CPU as well? Or will it be fine?

Thanks.
-Ryan
 
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The easiest spot to install it would be the back 120mm spot like you mentioned. How you install it won't make a big difference to your CPU temps, likely a 2-4C difference at most. I had an Antec H20 920 in push/pull with Gentle Typhoon fans in my Phantom and I tried it as both an intake and exhaust on the back fan slot and it hardly affected my CPU temps, even under full load. I would up using it as an intake because I added a second NZXT 200mm fan to the top and the 2 exhausts right above the CPU effectively sucked out any hot air the cooler was pulling into the case and I was happy with the slightly cooler CPU temps I got from having the radiator fans pulling in cooler air.

If you use the cooler as an intake, be sure to use a dust...
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lostgamer_03

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Aug 4, 2012
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It's really simple.

Hot air rises up, the hot air will always try to seek out at the top of your case.

A radiator gets hot, bringing hot air into your case will make the other components hot.

SO what do you think will happen if you bring hot air into the case from the top? Yeah, you don't want that. ;)

So use it to bring air OUT of your case, only in rare circumstances it's a good idea to bring the air in.

 
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faalin

faalin

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Feb 22, 2012
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Hmmm so I see you don't water cool much. You want to bring air into the case through the radiator, pulling hot air out of the case through the radiator is not a very efficient way to cool the water down thus not cooling the cpu down very much.
 
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WithoutWeakness

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Nov 7, 2012
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The easiest spot to install it would be the back 120mm spot like you mentioned. How you install it won't make a big difference to your CPU temps, likely a 2-4C difference at most. I had an Antec H20 920 in push/pull with Gentle Typhoon fans in my Phantom and I tried it as both an intake and exhaust on the back fan slot and it hardly affected my CPU temps, even under full load. I would up using it as an intake because I added a second NZXT 200mm fan to the top and the 2 exhausts right above the CPU effectively sucked out any hot air the cooler was pulling into the case and I was happy with the slightly cooler CPU temps I got from having the radiator fans pulling in cooler air.

If you use the cooler as an intake, be sure to use a dust filter on the "push" fan. Even a cheap mesh filter will help prevent dust from building up between the radiator fins over time.
 
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oczdude8

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You will get the best performance if you pull cold air from outside INTO your case. This is actually explicitly mentioned on the corsair h50 manual and installation guide. (I have a h50).

In terms of heating up other components inside your pc, the effects are negligible, if you have a full tower case with good ventilation and fans. I use my h50 in a push pull with it pulling air in and I get ridiculous cool temps on my i7-920 OCed to 4ghz.
 
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RwYeAsNt

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Hmmm.. okay so let me see if I understand. I was actually going to purchase a second 200mm (193mm really) NZXT fan to have a 2nd one on the top of the case. So with the 2x200mm fans on top pulling hot air out of the case, I should have the 2x120mm side fans, my 140mm front fan and the H50 push/pull at the back ALL bring air in? So all cold air would come in and hot air will raise and head straight out the top?

 
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oczdude8

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yea you should have no problems. this is basically how my haf932 is configured.
 
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RwYeAsNt

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Alright, thanks a lot. I'll try setting it up like that. Thanks for all the help everyone!
 
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lostgamer_03

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Using intake from the front and intake from the top will ruin the airflow and just throw the airflow around in the case. Drawing air in from above is also bad due to the fact that hot air rises, it's the law of science of heat and you can't argue with that.

Have you watched a build guide or the video guide the manufacturers release? I don't think so.


 
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Rambizz

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Let the top fans push hot air out the top of your computer.
Hot air will allways trying to get out of the top of the computer.
you can place a radiator on the Side/Backside, of your build.
Whick will get hot, and pulling air in to your computer,
then the top fans will helping your build to be nice and cold:)
 
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oczdude8

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@lostgamer_03
1. if you had read carefully, The top fan is configured in a way to exhaust air out.

2. I don't need to watch build videos. I have built a lot of systems and know what happends

3. if you need to watch a video, here is a video by corsair demonstrating EXACTLY what is said :http://www.youtube.com/watch?v=PUxoFiFuS_g

4. "Law of science of heat" in this case is called convection.

 
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