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Question about adding new fans to CPU heatsink

Last response: in Systems
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a b à CPUs
March 28, 2013 4:04:15 AM

Hi everyone,

I have a question about adding new fans to my CM Hyper 212 Evo.

Right, I currently use ASUS AISuite to adjust my case fans and CPU fan speeds but I want to add 2 new fans to the Hyper 212. And I have 2 spare brand new Corsair SP120 High Performance 2350rpm fans laying around, so I thought I would use those. But they are only 3-pin fans and my motherboard (Z77 Sabertooth) doesn't allow rpm changes through the CPU headers to 3-pin fans, only 4-pin PWM fans, so they would spin at full tilt all the time.

Soooo, my question is would it be ok to plug the 2 new fans into normal 3-pin case fan headers on the MoBo but link them to the CPU temp with the AISuite software to adjust the rpm???
At the moment I have my case fans being controlled by the AISuite and they are linked to the CPU temp, so they speed up and slow down according to the CPU temp.

In my mind it would work, but I just wanted a second opinion.

Thanks everyone
a b à CPUs
March 28, 2013 4:07:52 AM

In theory yes it's fine but your computer may not boot when it detects there's no CPU fan installed.
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a b à CPUs
March 28, 2013 5:07:36 AM

FinneousPJ said:
In theory yes it's fine but your computer may not boot when it detects there's no CPU fan installed.


Arhhh, that's one of the things I was concerned about. Would disabling the CPU QFan control in the BIOS get around that do you think???
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a b à CPUs
March 28, 2013 5:35:49 AM

Possibly, or you could just plug *some* fan in the CPU fan slot.
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a b à CPUs
March 28, 2013 5:40:47 AM

Oow I like your thinking, good idea =)

Thank you for your help, appreciate it.
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a b à CPUs
March 28, 2013 5:43:25 AM

Let us know how it turns out.
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