Connect 4 Pin Fan To 3 Pin Motherboard

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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. As far as mounting the. How to connect a 3 pin or 4 pin fan to the motherboard 1. 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 3 pin fan into a 4 pin header just fine. When connected to 3 pin fan headers the fan will run at full speed unless the mainboard supports voltage based speed control. You can plug a 4 pin pwm fan connector into a 3 pin terminal on the motherboard without any problems. 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. 4 pin connectors offer the ability to control fan speed via pulse width modulation. Next press down until the fan connector until it is fully connected to the motherboard header. Please note that 4 pin fans can also be connected to your mainboard s 3 pin fan headers though.

Two of them are for the cpu and three are for the case fans.