Please note that 4 pin fans can also be connected to your mainboard s 3 pin fan headers though.
Connect 4 pin fan to 3 pin motherboard.
Pwm fans come with a 4 pin connectors for fully automatic speed control via your mainboard s 4 pin pwm fan headers.
Your motherboard has five 4 pin fan connectors.
Speed control options rpm range will vary between fans and motherboards on a 3 pin connection but the fan will spin.
As far as mounting the.
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My rig has 2 pairs of 3 pin fans phanteks ph140sp connected to two 4 pin motherboard headers asus z97m plus via basic y splitters and they work and control just fine.
You can plug a 4 pin pwm fan connector into a 3 pin terminal on the motherboard without any problems.
The fan connector will have two guides 1 and these will need to line up with the tab 2 that is on the motherboard.
You can plug a 3 pin fan into a 4 pin header just fine.
How to connect a 3 pin or 4 pin fan to the motherboard 1.
Without the fourth pin connected the fan will just run at full speed.
Next press down until the fan connector until it is fully connected to the motherboard header.
Two of them are for the cpu and three are for the case fans.