Best Fan Configuration for the NZXT S340?

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TopHat3

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Oct 10, 2014
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Hey everyone,

So I'll just first and foremost link my build:

http://uk.pcpartpicker.com/p/22JQrH

Ok, so basically I have absolutely no idea what fan configuration I should opt for, where my exhausts should be or where my intake fans should be. I don't know if I should stick with just the two stock fans that the S340 comes with (which are 1 x 120mm for the top and 1 x 120mm for the rear), whether I should buy 2 more 140mm fans to fill in the gaps (which makes me wonder whether I should perhaps swap a 140mm place with the top fan?), or finally whether I should get rid of the stock fans completely and buy 3 x 140mm and 1 x 120mm (all that fits) brand new fans.

And then there's the issue of which way up I should have my PSU, fan side up or down, sorry for all the questions, this is my first build and I'm still trying to wrap my head around everything haha

Thanks for anything and everything guys, I appreciate it!
 
Solution
Tanyac
During my travels in cooling systems I have found that orienting the PSU so it points down seems to work best, and seems to be a more popular opinion amongst many enthusiasts.

You can never have too much air pressure in your case. So having more fans is not a bad thing, although, as with anything, there is a break-even point.

All my systems are water cooled with 240m or bigger coolers.

For my NZXT 820 Phantom case I have a 140mm rear exhaust. I have a 120mm bottom intake, a 200m front intake, and the 280mm Corsair H110iGTX pushes air out through the radiator. I also have a 120mm fan angled to blow air across the memory.

The video card is a EVGA GTX 970 ACX 2.0. The fan on that is only spinning at 600rpm and make no noise that I...
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Tanyac

Tanyac

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Aug 30, 2014
745
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During my travels in cooling systems I have found that orienting the PSU so it points down seems to work best, and seems to be a more popular opinion amongst many enthusiasts.

You can never have too much air pressure in your case. So having more fans is not a bad thing, although, as with anything, there is a break-even point.

All my systems are water cooled with 240m or bigger coolers.

For my NZXT 820 Phantom case I have a 140mm rear exhaust. I have a 120mm bottom intake, a 200m front intake, and the 280mm Corsair H110iGTX pushes air out through the radiator. I also have a 120mm fan angled to blow air across the memory.

The video card is a EVGA GTX 970 ACX 2.0. The fan on that is only spinning at 600rpm and make no noise that I can hear.

I find that my temps are typically 8 degrees celcius above ambient.
Noise wise, the sound is only just perceptible on idle.
All fans are PWM controlled so that they react to whatever I am running at the time. When I really hammer my system the noise level does increase.

I typically use Notcua PWM fans, but the water cooler uses the stock corsair fans.

Whether or not to stick with stock fans is often a personal choice. If you look at the specs check out how much air it moves and what the noise levels are. A good fan is one that can run at a higher RPM (or moves a lot of air at low speeds), and has noise levels under 20db, then compare that to other brands.

good luck
 
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