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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.

Processor AMD FX-6100 Hex-core, 3.3GHz > Intel Core 2 Duo, Dual-core, 1.6GHz

Memory 8GB Corsair Vengeance DDR3 1600MHz >  Crucial 3GB DDR3 1066MHz

Graphics Radeon HD7770 + Radeon HD5570 > Intel 3000 Integrated Graphics

Motherboard Gigabyte GA-970A-DS3 Socket AM3+ > OEM Latitude XT2 Motherboard Socket P

Storage Seagate Barracuda 2TB SATA 7200.14 > Samsung 64GB SSD SATA 3Gbps

Power Supply Cooler Master Elite ATX 500W > OEM Dell Power Supply 90W

Case Zalman Z11 Plus 4x 120mm fans, 3x 80mm > OEM Dell Latitude XT Case


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