can i install case fan in cpu fan header?

Solution
Depending on the motherboard, you might not be able to do anything that would not effect both ports. If you just want it to run at a set speed, buy a molex to three pin fan adapter, and then a low noise adapter if the fan is running to loud for your liking.

Abdelrahman_3

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Mar 18, 2016
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but the cpu header change fan speed depending on cpu temp so how can i control it
my mb has 2 cpu fan header . how can i controlthe second header without doing any thing to the other one?

 
Depending on the motherboard, you might not be able to do anything that would not effect both ports. If you just want it to run at a set speed, buy a molex to three pin fan adapter, and then a low noise adapter if the fan is running to loud for your liking.
 
Solution