how many fans is too many fans on a computer case

i have the oportunity to get 10 case fans for 20.00. can i modify my case to put these fans on the side and the back of the case? is it bad to have too many cooling fans on one case? right now i have an antec 900 case which has 3 120mm fans and a 180mm fan on top. thanks!
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jsthursdayAsked:
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warrenbucklesCommented:
You only need enough fans to keep your system at a 'reasonable' operating temperature (whatever that is).

The fans you have on your present case sound like plenty, but I don't know what's inside it.

I wouldn't put more fans on a case than it was designed for without a good reason, and the only one I can think of is heat.  Fans are a source of noise, so a lot of us try to keep them running slowly, since noise vaires as the square of speed - twice the speed gives four times the noise.  The large diameter fans - 120 mm and 180 mm - give more airflow for the same rotational speed as smaller fan, so they are inherently quieter.

What do you have in that nice case?  Is it running hot?

I would leave it as-is unless it's getting too hot.

wb
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gabbadarCommented:
Can't run too many fans... unless, of course, you're out of power to run 'em.

That being said, having 3 120mm fans and a 180mm is beefy, I can't imagine you'd have heading problem with that case.

Additionally, adding more fans to a case that doesn't need them can introduce more dust into the box. Even a thin blanket of dust over a processor acts as an insulator, causing an increase in temperature that all the fans in the world won't help cool.
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willcompCommented:
Adding fans would probably do more harm than good by changing air flow pattern designed into the case. I'd highly recommend leaving well enough alone. You already have a lot of air flow.
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jsthursdayAuthor Commented:
alright thanks guys
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