My PC cabinet is giving out Hot air. Is it good?

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onetwo27

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Jul 31, 2016
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So, i recently built a new rig with the following components,

i7 6700
Asus Pro Gaming z170
8gbx2 DDR4 Corsair Vengeance ram
Corsair H60
Corsair Carbide 400R
Zotac GTX 1070 Amp Extreme
1TB x 3 HDDs

For case cooling,

The case came with 2x 120mm fans in the front which intakes air. The rear is now replaced with the H60 radiator which again is giving out hot air, The sides got one 120mm fan which is again giving out hot air. Top has no fans(planning to fit 2x140mm fans)

Now, when i am playing games that are demanding, the case gives out hot air and make the area surrounding the case quite hot.(Pic here). My worry is, is this a normal scenario or is the case not ventilated well or the fans, not doing their job.

It would be really nice, if someone could shed some light on this topic. Thanks a bunch :)


 
Solution
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Yep. Hot air outside case is good. Components generate heat and you need that removed.
Ditch the side fan, fit the two 140 at the top/back and keep the intakes. This is really all the air movement you need with good cable management
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Woohoopy

Woohoopy

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Jun 8, 2013
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Hey there, hot air leaving the computer is fantastic.

Going into the science of it, your computer components, particularly the cpu and gpu, will generate heat as voltage and electricity runs through it. To avoid damaging the components due to heat, your heatsinks/fans attempt to pull this heat away from the chips using thermal conductivity and equilibrium and blow the heat away by [strike]conducting[/strike] "convecting" the heat into the surrounding air around the heatsink, that later gets pushed out by the cpu fans and the case fans cycle new, cool air into the case.

The fact that it's hot around your case ~normally~ means that it's essentially cooler inside, which is a good thing.

To tell if everything is ship shape, run a temperature monitoring software like "Core Temp" (link: http://www.alcpu.com/CoreTemp/) and let us know what your cpu core temps are. Anything lower than 70c on your CPU and 76c on your GPU is a good deal.

Good luck!
 
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burgessanthony

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Jun 27, 2012
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^ not to nitpick, but energy is transferred from the sink to moving air via convection. Conduction is what occurs between the chip and the heatsink which touches it.

OP - as woohoopy says, run some monitoring programs and see what is what.

To add, make sure that the case is not stuffed into a corner. That hot air around the case needs to be moved along - that's as important as getting the warm air out the case!
 
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Woohoopy

Woohoopy

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Good call about keeping airflow around the case open. Or else the area around it will insulate the heat forming a bigger, hotter "case" around the computer.

Out of curiosity, wouldn't it still be considered conduction since the metal plates are making contact with the air? I thought convection was exclusively the movement of heat through a fluid and not to it.
 
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burgessanthony

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Jun 27, 2012
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^Technically, I suppose you could argue conduction covers all types of heat transfer. But, a heatsink is a classic example of convective transfer, whereby heat energy moves from the plate to the bulk movement of air (or water). There is a boundary layer, which is instrumental in the convective process.
 
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Woohoopy

Woohoopy

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Jun 8, 2013
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Good call, fixed my mistake.
 
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onetwo27

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Jul 31, 2016
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Thanks @burgessanthony @Woohoopy @madmatt30 for the quick reply :) Much appreciated.

As far as temps go,

I played Rise of the tomb raider on max setting in Dx12 and,

CPU/Processor temps were 45c to 60c max
GPU was at 60c with the fans at 60% speed

@madmatt30, so i just fix the radiator to the top side of the case and get the 120mm fan to its original side, right. Will try it out :) Thanks a bunch
 
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