I need Help please??? iam new its about my fan connectors?

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RedChief6

RedChief6

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Mar 11, 2012
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ok this is kinda hard to explain so ill try to make it simple as possible.

I have 5 3 pin male fan cables in my case that need to plug into my mobo but my mobo has 4 pin male connectors.

So it wont plug into at all can someone please help me. Plus this is my 1st build. Should i buy new fans? or is there a adapter out there somewhere.

I wish i didnt have this problem so i hope one of you guys can help me:)
 
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lafontma

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Jan 4, 2006
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Common people you dont need that info... 3 pin connectors can safely be used on 4 pin headers by aligning pin 1 with pin 1 on the motherboard connector pin 4 will be ignored.

Pin 4 is for controlling the speed of the fans. Thus is fans are not speed controllable...
 
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mcnumpty23

mcnumpty23

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Jul 15, 2011
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they said both the fan connectors and the motherboard connectors are male

how exactly did you plan to plug a male connector to another male connector?

and no rude answers please :D
 
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WR2

WR2

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Nov 18, 2005
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Pin 4 is for controlling fan speed by PWM (pulse width modulation).
3 pin fan speed can be controlled by some motherboards through voltage regulation (lower voltage = lower rpm, etc).




 
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delluser1

delluser1

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Feb 22, 2007
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Actually, once he realizes that his case fans are connected to the built in fan controller and connects the 4 pin molex to his psu, the fan speed will be controllable.
 
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