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Old 21-04-14, 09:35 AM
jerkan jerkan is offline
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Join Date: Apr 2014
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Can ga-z87-hd3 control fans with voltage?

Hi there,

I have a ga-z87-hd3 motherboard and a noctua nh-d14 (with non-pwm fans). Due to the 3-pin (noctua fans) vs 4-pin (cpu fan headers) problem, noctua fans are always at 1200 rpm which is non-desirable.

I've read that all would work out if mobo could control noctua fans via voltage but I can't manage to find that option in the bios.

Manual: http://download.gigabyte.eu/FileList...h87)-hd3_e.pdf

The only option that I see is control with PWM.

Nh-d14 comes with two Ultra low noise adapters but i don't think that will allow the mobo to control the fans.

Any help would be appreciated.

If this mobo can't do that, what would be the best solution? I am considering the following options:

·Buying pwm fans for the nh-d14
·Buying a fan hub

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Old 05-05-14, 08:39 PM
Publ!c Enemy Publ!c Enemy is offline
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Join Date: Nov 2013
Posts: 9
Hello there.

I'll be honest i don't know about your specific motherboard but i have had experience with other Gigabyte products recently.

Now, the PWM (4pin) can be contolled by your motherboard, you can set how quickly you'd like it to ramp up as well as what temperature to start.

The non PWM (3pin) fans can't be controlled by the motherboard unfortunatly, to adjust these you'll need a fan controller of some kind but, depending on the product you buy, may not have it all done automatically if the motherboard could do it. I don't know why motherboards can't control the 3 pin fans, i suspect it's to do with heat created. If you'd like to know about how fan controllers work i can explain but i'll not bore you with it now haha.

It would also be useful to know which CPU, Vcore & case you have. Assuming it doesn't get to hot as it is, i'd just run the fan speed reducers, those things make Noctua coolers almost inaudible. The D14 is a very capable cooler after all.

Hope this helps.
Regards, Richard.
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fan, ga-z87-hd3, nh-d14, pwm

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