NZXT H440 Air Flow

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cctaylor88

cctaylor88

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Jul 5, 2010
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Currently trying to figure out how I want to place fans in my NZXT H440, what I mean by this is simple intake/exhaust. I was under the assumption that you use SP fans for radiators, which is what I use them for currently. Currently all I have setup is a Corsair H115i set up as a front mounted radiator with the two stock fans set as intake. I am thinking that I want a 140mm exhaust fan on the rear panel of the case but other than that I am just lost.

Have also heard that the H440 has a very "restricted top fan vent" and that it would be best to use SP intake fans here, but I don't know if this is warranted.

Anyways, just looking for some simple suggestions (I don't need to know how to calculate CFM etc). Current setup = front mounted radiator with two SP intakes, that's it. Brand new build if you're wondering. Thanks in advance

 
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G
Well, I think your setup is cool, so don't change anything. As for the case temps, they are shown in the BIOS/UEFI, labelled something as 'system temp' or 'case temp' or (rarely) 'motherboard temp'...
And if you cannot get it, download Speccy and check the system temp.

BTW, real thermometer? I think I will try that!
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Get a 140mm fan at the back for exhaust, that's it!
If you want, then you can place another one under it, but a single exhaust would be fine...
 
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cctaylor88

cctaylor88

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So you think the front mounted radiator with two SP 120s acting as intake is enough intake? And just a single 140 exhaust at the rear will do?
 
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aulover79

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I would suggest that you fill it with fans, but you dont have to, as it will cost more. But if you are willing to spend the extra $100 on fans than I would suggest that you make the two on the rad in the front, like you said, as sp's for intake, then put (all af's) one on the back as exhaust, and 2 on top as exhaust leaving the slot on the top that's closest to the front empty. SO then you have 2 intake and 3 exhaust. But this would change if you a different pressure in the case. Positive, more CF input than outtake, or negative, the opposite. Positive will put more air in the case, meaning air will be leaving through the cracks in the case, and negative will mean that there is some air coming in through these cracks, which means more dust coming in. Here's a link to a very helpful guide on Airflow pressure: (http://www.tomshardware.com/forum/238184-31-case-airflow-positive-negative-pressure). Tho keep in mind, what ever you do, the temperatures should be affected MUCH. maybe 2-3 degrees (anyone please correct me if im wrong)

Heres a TL;DR

Put a fan on back as exhaust and two on top for exhaust, while keeping the two in front as intake, and if you put a third fan in from for intake, like a af, than put one on top as af. and keep all of them afs, EXCEPT for the rad fans. IDK if this is any help, but here you go :)
Any questions, just ask.
 
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Yes, that will enough!

BTW, if you want, then read the logic behind it.

The radiator at front will suck in lot's of air, and the single fan at exhaust will not be able to keep up.
So instead of taking the usual route, air will be forced to go through all parts of the case to find a way out. Any small gap or something would be enough. That way, no dust will come in through those gaps, keeping it clean (and cool!). That would also mean less maintenance, especially if the radiator has an air filter.

Also, as the air will be forced to occupy every available bit of space in the case, it's going to remove the air coming out of the GPU, thereby cooling it as well. And to prevent your case from becoming an air balloon, we have the 140mm rear exhaust.

How do I know all this? Experience!
Follow the guide, have a cool and (almost) maintenance free PC.

Hope that helped.
 
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cctaylor88

cctaylor88

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This is exactly what I'm running at the moment two 120SP fans as intakes on my front radiator and a rear 140 exhaust. I would consider adding two more exhaust fans on top (it would also add more red to my case) but if my temps are low enough already then adding more fans would only add more noise. I love how "silent" my case is at the moment. I went from a massive full size case (NZXT Switch 810) with 9 fans to this mid tower (NZXT H440) with noise dampening, and AIO cpu cooler, and only 3 fans. The noise is INCREDIBLY different!

I know how to monitor my CPU temp etc... but is there a way to monitor your "case" temp or do you need third party temp gauges at that point? Like an actual thermometer for example.
 
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Well, I think your setup is cool, so don't change anything. As for the case temps, they are shown in the BIOS/UEFI, labelled something as 'system temp' or 'case temp' or (rarely) 'motherboard temp'...
And if you cannot get it, download Speccy and check the system temp.

BTW, real thermometer? I think I will try that!
 
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