Struggling with fan header placement using PWM

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delsaber

delsaber

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Aug 4, 2008
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I am putting together a new build with a panthek enthoo luxe case which has a PWM hub as part of the case. I am so stuck on whether I should use this or not.

I have an asus vii ranger motherboard and a corsair h105 liquid cooler.

The case manual says that the PWM needs to be plugged in to the cpu_fan on motherboard only BUT the corsair cooler says the two fans attached to the radiator need to be plugged in there.

What should I do?

1. Disconnect the PWM fully and just plug case fans into mobo slots or..
2. plug the radiator fans into the PWM hub and then connect that to the cpu_fan slot on mobo

I worry that the PWM hub will slow the fans down and try to control them when they should be running 100% alll the time right?

Sooooo stuck on what to do here!

Thanks,
 
Solution
A
The whole point of plugging the two radiator fans into the cpu header is for pwm control so they can adjust their speed down or up based on cpu temp. What you do depends on how you want to control your fans.

If I were you I would just follow the h105 instructions and have both it's fans plugged into the cpu_fan header.
Later down the road if you have more than 2 fans that have PWM control, then worry about using the hub.

Asus lets you control some fan settings in the bios, or install their software and you can set fan curves.
I personally just set all the fans to silent mode in the bios, and don't worry about it unless things get hot.

No, you don't really want fans running at 100% all the time.
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andy_Man

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The whole point of plugging the two radiator fans into the cpu header is for pwm control so they can adjust their speed down or up based on cpu temp. What you do depends on how you want to control your fans.

If I were you I would just follow the h105 instructions and have both it's fans plugged into the cpu_fan header.
Later down the road if you have more than 2 fans that have PWM control, then worry about using the hub.

Asus lets you control some fan settings in the bios, or install their software and you can set fan curves.
I personally just set all the fans to silent mode in the bios, and don't worry about it unless things get hot.

No, you don't really want fans running at 100% all the time.
 
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