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Case Cooling Questions, info, results for various methods of case cooling.

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Old 08-October-07, 02:57 AM   #1 (permalink)
Apex Techie Wannabe
Default Fan Cooling - Positive or Negitive Pressure

So, im just a little curious, performace speaking, what is/are the pros and cons of either positive and negitive pressure sytems, or a balanced set of intake and exhast fans in a case.
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Old 08-October-07, 03:05 AM   #2 (permalink)
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Default Re: Fan Cooling - Positive or Negitive Pressure

Positive is the only way you'll be able to keep the interior clean with fan filters.

Negative normally means you'll end up with fans at the back of the case and some people swear up and down this causes less noise to be directed at them.

You can try to have "balanced" fans - but in reality the increased airflow doesn't normally balance out to the sound produced if you're concerned with the noise output issue.

Basically you'll get temps rather close to the same no matter what with most cases. You can try it out youself, you might find the one that cools better, it's quite possible. But I never have lost sleep over it, CPU temps every time I played with push vs. pull were within 2c even.
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Old 15-October-07, 03:52 AM   #3 (permalink)
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Default Re: Fan Cooling - Positive or Negitive Pressure

Quote:
Originally Posted by Iateronmly
Positive is the only way you'll be able to keep the interior clean with fan filters.

Negative normally means you'll end up with fans at the back of the case and some people swear up and down this causes less noise to be directed at them.

You can try to have "balanced" fans - but in reality the increased airflow doesn't normally balance out to the sound produced if you're concerned with the noise output issue.

Basically you'll get temps rather close to the same no matter what with most cases. You can try it out youself, you might find the one that cools better, it's quite possible. But I never have lost sleep over it, CPU temps every time I played with push vs. pull were within 2c even.

I doubt i will have any sleep deprivation from this, just a little curious, as looking for a new case, and one caught my eye, just had a grand total of 1 intake fan placements, and 3 exhast, not including PSU.

Thankyou for your assistance.
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