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IAR117

How do I connect case fans to a motherboard

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Posted · Original PosterOP
Just now, Electronics Wizardy said:

you just plug it into the motherboard fan headers?

I think I've got some weird connections, I'll post a pic of it

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6 minutes ago, IAR117 said:

I think I've got some weird connections, I'll post a pic of it

You probably have fans with molex connectors then. Those would plug straight into your PSU.


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I'm pretty sure the Phanteks P400s comes with a PWM Fan hub, so I highly doubt the stock fans are on a molex connector.

Just read your case manual, it very clearly describes how to install and use the fan hub, check your motherboard manual (or picture above) on where to plug things into.


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34 minutes ago, IAR117 said:

Just got it lmao, me being stupid. Can I plug one of them into PWR Fan?

I believe you plug PWM fans into the connectors with the 4pin connectors on the motherboard. They will power on with the 3pin connectors but you won't be able to control the speed.


 

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5 hours ago, IAR117 said:

Just got it lmao, me being stupid. Can I plug one of them into PWR Fan?

A pwr_fan header will run the fan at 100% rpm. If you're fine with that, go ahead.


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Posted · Original PosterOP
10 hours ago, WoodenMarker said:

A pwr_fan header will run the fan at 100% rpm. If you're fine with that, go ahead.

Are there any other places to plug in the fans? Also can't I change the speed of the PWR FAN 1 fan?

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1 hour ago, IAR117 said:

Are there any other places to plug in the fans? Also can't I change the speed of the PWR FAN 1 fan?

Check on mobo's manual. Trust me, thats best place to find answers to your questions. Your mobo has 1xCPU PWM, 2x chassis PWM's, CPU 3pin and said PWR 3pin. And according to manual, PWR fan doesn't have control chip. All others are controllable, CPU 1&2 with single controller, so maybe not individually.


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