[SOLVED] Is this fan configuration overkill?

Oct 30, 2021
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2 intake fans, a Scythe fuma 2 cpu cooler, a rear top exhaust fans. Ryzen 7 3700x

Would this be overkill? Do I need 2 exhaust fans? I have a RTX3070TI so it gets hot on demanding titles.
 

Ralston18

Titan
Moderator
Update your post to include full system hardware specs and OS information.

Include PSU: make, model, wattage, age, condition?

Disk drive(s): make, model, capacity, how full?

Also take a couple of photographs and post here via imgur (www.imgur.com).

Indicate the air flow directions.
 

MJS WARLORD

Honorable
Providing your system set up can handle it you can never have too many fans , just make sure they are set up right , intake on front and side , exhaust on top and rear and the cpu cooler pointing to the rear exhaust fan.

Some intake fans can make a cold draught on your hand due to the shape of the blades and fool you into thinking you put them the wrong way round so try this .... if you cant see the airflow direction arrow on the fan housing get a small piece of paper and place it up to the fan on the outside of your case , let go of it and if it does not drop on the floor its sucking air in.
For exhaust fans , after your pc has been working hard for a bit you should be able to feel warm or hot air blowing out onto your hand
 

geofelt

Titan
Two front intakes and a single rear exhaust is typical and effective.
Top exhausts tend to divert cooler air out the top before they can get to the cooler, motherboard and graphics card.
Rear exhaust is better.

If anything, increase the rpm of the front intakes to get more cooling air into the system.
 
Last edited:

Phaaze88

Titan
Ambassador
Haven't a few sites shown, that when there aren't many fans being used and there's an odd number(such as 1 or 3), that more exhaust over intake wins? Once you're past the magic 4 number, it doesn't matter as much, and you start going into diminishing returns territory.
Well, more exhaust over intake almost always wins for just cooling, but that's not the point.

Knowing what the chassis is would also help...
 

geofelt

Titan
I would be interested in links regarding the intake vs exhaust equation.
It seems to me that ultimately intake airflow must equal exhaust or pressure would build.
Whatever comes in must exit somewhere taking heat with it.
 

Kona45primo

Prominent
Jan 16, 2021
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That's not overkill at all. Seams just about right.

What case are you working with? If it allows for a fan to be placed under the GPU it might help give it a little more cool air.

Makes my fan setup seam tame: 2 140mm intake (Front), 2 120mm intake (under GPU) 3 120mm exhaust (2 top, 1 rear)
 

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