Does this build need additional fans?

Case: CoolerMaster HAF 912

CPU: i5 3570k

MOBO: ASRock Z77 Extreme 4

GPU: Evga GTX670 ftw

I'm not currently over clocking any of the parts and I have the stock heatsink on the cpu I was wondering if i needed additional fans for this or if its completely unnecessary and i shouldn't waste my money.

Right now I just have the 2 stock fans it came with so Front: One 120mm Rear: One 120mm

I'm looking to spend less than $30 on the extra fans less would be better if it will have the same results.

what i was thinking in buying is this and putting 2 in the front then moving the stock to the side and 2 on the top

but then I saw this fan on sale for $9 and now im thinking I should buy 2 of them for the front and move the stock to the side
5 answers Last reply Best Answer
More about does build additional fans
  1. Best answer
    The best way to tell if your current cooling is adequate is to run a program like CoreTemp available here: see what your reported temps are... under 60C at full load is good.
    A note about your fan selection, I like the second fan but, it is a PWM fan and you only appear to only have one PWM header (CHA_FAN1) available on your motherboard (PWM's can be automatically manipulated by the motherboard) but the price is pretty good on those and the PWM fans will work on a three pin header, they will simply lose the PWM function (and instead need to be controlled manually just like a three pin fan). It can also be used directly to your PSU but without speed control.
    Just something to be aware of
  2. Thank you for the response, how do I put my computer at max load to test this?
    and I decided i want to buy new fans anyways do you think its better to go with my second option on the fans?
    if i go with the second option i will probably buy some cheaper fans for the top of my case so it would be like
    Front:2xCOUGAR CF-V12HP 120mm
    Side:1xstock 120mm
    Back:1xstock 120mm
    Top: i'll see if i can buy two 120mm later or one 200mm
  3. The most commonly used program for stressing the CPU is Prime95 available here
    which should be run for at least 2 hrs (or until temps do not change) while CoreTemp is open (so you can watch the temps). Stop the test if your CPU temp continues rising above 70C.
  4. Best answer selected by robotsdidyourmom.
  5. Thank you for all the information I ended up buying the two cougar fans that were on sale
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