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Old 02-12-2013, 11:48 AM   #2 (permalink)
PP Mguire
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Default Re: Case Fans to PSU or to motherboard?

4pin fan headers are for PWM fans but you can connect 3 pin fans to those headers as well. They all basically do the same thing, just lower power to reduce RPMs when your system is cool. It honestly doesn't matter which way you go about connecting your fans as either way is perfectly safe. Having your fans connected directly to the PSU ensures maximum power though.
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