Will adding case fans help the temp of the CPU?

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thecompgame

thecompgame

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Jan 22, 2010
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So i recently built a new computer. It has a i5 4670K with a Cooler Master Hyper 212 EVO. But it only has one rear case fan right now...
When i add the two other case fans, will it help bring the temp of the CPU down?
right now it runs at about 40C when its idle and its not even overclocked...Idk if its the problem with the case fans or what.

Thanks!
 
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Another thing to keep in mind is that there are two readings for CPU temperature: CPU Socket and CPU Core. HWMonitor should display both. (CPU Core is more accurate when at load; vice-versa for CPU Socket.)

Having case fans will help with CPU temperature. For every fan, though, there is diminishing returns. Two fans is good enough in most cases (literally and figuratively). More is nice, but will only help a halfful of degrees at most - the main benefit is making sure no component (like the GPU) gets the short end of the stick.
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thecompgame

thecompgame

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I hear a lot of people with the same cooler that i have run idle at about 20C! Its almost half of what i run at...Can i expect to run at anywhere between 25-30C?
 
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Cazalan

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You want at least 1 fan pulling cool air in from the front or bottom of the case, and another pushing the hot air out the back or top of the case.

I generally go with 4 minimum 120mm or 140mm fans. 2 push, 2 pull. The larger the size fans your case fits the better. They move more air at lower RPM and thus less noise.
 
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thecompgame

thecompgame

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So if i have 2 pulling from the front and one on the rear/top pushing do you think it will help my temp go down from 40 to 25-30?
 
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Calculatron

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Another thing to keep in mind is that there are two readings for CPU temperature: CPU Socket and CPU Core. HWMonitor should display both. (CPU Core is more accurate when at load; vice-versa for CPU Socket.)

Having case fans will help with CPU temperature. For every fan, though, there is diminishing returns. Two fans is good enough in most cases (literally and figuratively). More is nice, but will only help a halfful of degrees at most - the main benefit is making sure no component (like the GPU) gets the short end of the stick.
 
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Cazalan

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I would get 1 more and make it even. 2 in, 2 out. That case supports 6 fans so you can move more air if you want. It also helps to block unused vents.
 
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Batmann77

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Adding extra fans will NOT drop your temps 10-15 degrees. From what I have read on the internet, it might drop the temps 5 degrees at best. I may be wrong, but I'm only speaking from what I have read. I have some extra case fans on the way, and I am only really expecting a small temp drop. Your temps are perfectly fine though. Nothing to worry about, from what I've read :)
 
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