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Can I control 3-Pin Corsair SP120 fans?

Cavasi
By Cavasi
in Cooling
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Posted

My title basically is what I'm looking to do, I know PWM control makes it quite easy to control the RPM of fans, but is it true you can still control the voltage of the fans to in turn get the same result? Is there a program for this? I have SpeedFan installed but I haven't a clue on how to use it. Would buying a fan hub be easier?

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Posted

In bios set the fan control mode to DC/3pin/Voltage or whatever else is the second option beside PWM.

 

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What motherboard do you have?

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Posted

you can

 

you might need a DC controller, some boards dropped support for DC volt control since they believe everyone uses PWM fans

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If you can control or not depends on motherboard, not about fans. Most modern boards support DC control as well as PWM control. It might be limited to certain headers or lack features (like control under 7V speed).

 

Speedfan is verified to work on Intels Devils Canyon chipset or older and AMD FX series or older. Any newer board will be hit and miss if it works or not.

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