Corsair 400c NZXT x62 front mount

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Mikeeey

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Jun 24, 2017
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Hi guys, I been needing a bit of help in setting up my pc build... a bit of my specs are:

Corsair 400c
NZXT Kraken X62 280mm AIO
2 x 140 Corsair AF Quiet edition
1 x 120 Corsair AF Quiet edition
Asus 1080ti OC

What i want is the optimal fan mount for good air pressure. Since the case cannot fit the 280mm AIO on top, its going to be on the front. This case has dust filter on top and front, just to keep that in mind.

At the moment, for me to have good amount of air in my case and out, I would have to set up:
Front - Rad exhaust (NZXT Kraken x62)
Top - intake ( 2 x 140 Corsair AF)
Rear - intake (2 x 120 Corsair AF)

Is this ok? For good air pressure? I like to hear your guys opinion. I looked online about having intake rad bringing warm air in. Sooo... yeah love to hear you guys opinion or suggestion.
Thanks!
 
Solution
Karadjgne
Well, heat rises. That's its natural propensity and you've decided to fight nature. I have an x61 and for the first 3 years it's been sitting in my case as top mount exhaust (push) with just the 2 fans and 2x as intakes. Did fine. Got a bug, changed everything. Now it's front mount (pull) with case fans as top exhaust. Cpu temps dropped @ 6°C, but gpu went up @ 3°C, but that was expected.

With your design, you'll be doing it backwards, and with a Arial gpu, that's not going to be good as the gpu exhaust is aimed right at the side panel, where natural conductivity is going to make gpu exhaust rise. Having the top mount intakes, that's going to overpower that and shove all that heat right back down, where it's going to be picked up by...
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krells

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Nov 10, 2014
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Warm air rises so you would want the top/rear set to exhaust not intake. Most people tend to prefer positive pressure with more intake air than exhaust. I would start with the two 140's on the AIO as intakes and a single 120mm exhaust in the rear.
 
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Mikeeey

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Jun 24, 2017
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Would having the top as intake be ok with the front rad intake?

My only concern is the warm air thats going in my case considering the gpu is close
 
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Karadjgne

Karadjgne

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Well, heat rises. That's its natural propensity and you've decided to fight nature. I have an x61 and for the first 3 years it's been sitting in my case as top mount exhaust (push) with just the 2 fans and 2x as intakes. Did fine. Got a bug, changed everything. Now it's front mount (pull) with case fans as top exhaust. Cpu temps dropped @ 6°C, but gpu went up @ 3°C, but that was expected.

With your design, you'll be doing it backwards, and with a Arial gpu, that's not going to be good as the gpu exhaust is aimed right at the side panel, where natural conductivity is going to make gpu exhaust rise. Having the top mount intakes, that's going to overpower that and shove all that heat right back down, where it's going to be picked up by the gpu intakes long before the x62's fans can exhaust it out. End result is a good jump on gpu temps.

To mount that rad, there's 2 ways to go about it, using the fans in pull or push. If you plan on low rpm, pull is considerably more effective than push at below @1200rpm, reverse is true above @ 1500rpm, with no differences between. So your best option there would be fans up front, pull, rad towards the pump, or, like I mounted mine, with fans closest to pump but mounted as push.

Honestly, if you have the room, rad up front, fans behind as pull and top/rear as exhaust is the better option. Case heat is slightly higher, but cpu/gpu temps will be lowest. Mounting as you intend will result in much higher cpu/gpu temps due to recycling heat outputs.
 
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ivanov.dan91

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Sep 4, 2017
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Hey, sorry for bringing back an old post.

With your suggestion, that would only lead to the AIO and a single fan in the back. Wouldn't this mean not having any fans to cool the PC? (since the only fans in the front would only be for the AIO/CPU)


Unless if the AIO fans cooled the whole PC in addition to the CPU...
 
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Karadjgne

Karadjgne

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Fans move air. Just because they happen to be attached to a radiator means nothing. They'll still move air. In both my pc's I run AIO's, my i5 had a 120mm as the only exhaust on top with a 140mm intake, my i7 currently uses a 280mm as intake and the 2x 140mm stock fans as exhaust. Just because I have no independent fans doesn't mean there's nothing to cool the pc, the 120mm still draws its air from the case, and exhausts it through the radiator, the 280mm draws air from outside, through the radiator and case fans exhaust it out the top. Either design creates airflow, which takes any gpu heat and dumps it out the top.

It's airflow that controls case temps, not what job the fans do. As long as you have air coming in, and approximately the same amount pushed out, you have airflow.
 
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