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#1 Busterbvi



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Posted 19 March 2014 - 12:09 PM

Greetings.  I am about to start my upgrade build and I need some clarification for my fan choice.  Is it best to use PWM or 3 pin fans that will go as high as 1800 rpm for the CPU heatsink and case rear exhaust and will the MOBO throttle up / down a non PWM fan as temps rise & fall ?


Thanks,  Buster.

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#2 jaimelmiel


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Posted 04 June 2014 - 12:23 PM

If you Have a Motherboard like my Asus M5A99FX with 5 pwm fan Headers you can go all Pwm fans. I have a pwm on my heatsink. The rest are 3 pin on a Sunbeamtech Rheosmart 6 Fan controller.

I have 2 Rigs with 6 Fans each.

Edited by jaimelmiel, 04 June 2014 - 12:24 PM.

#3 EuroFight


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Posted 04 June 2014 - 03:04 PM

I generally just have one intake and exhaust fan that are just on a 5-pin molex. It makes sure there is some airflow and the fans are non PWM. The rest (CPU fan, other case fans etc.) on PWM headers to keep noise down.

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