Do case fans need to be PWM for control with a fan controller

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HarryOMalley

HarryOMalley

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Feb 23, 2013
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Hi,

For my new build i want to be able to control the fan speed with a fan controller, do i need to get PWM fans to change their speed (as i know thats what the PWM is for) or is there some majicky trickery in the fan controller that does it with normal fans (i.e change the voltage going to them:p). I just want to make sure that i get the right fans for when i put a fan controller in my build.

Thanks,
Harry
 
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Alex Kelly

Alex Kelly

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Oct 12, 2013
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That's not really what he asked, mayne.

I'm pretty sure you would need PWM fans, unless the fan controller you're looking at advertises that it can control the speeds of any 3 pin fan. I'm not 100% sure though, hopefully someone else replies who is. :)
 
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HarryOMalley

HarryOMalley

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Feb 23, 2013
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Yea well im just thinking of like the Bitfenix Fan controllers and such, i dont think they specifically say. But ill get the PWM ones, not like itll make a difference until i come to control it, they are only a couple of quid more:)
 
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Alex Kelly

Alex Kelly

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Sounds good! :)
 
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