Motherboard Sys Fans have 4 pins but Case Fan cord only has 3 pin-holes.

[JShields0119]

Hi, I have the following motherboard: Gigabyte GA-Z170X-UD5 ATX LGA1151 Motherboard

and the following case: Fractal Design Define R5 (Black) ATX Mid Tower Case.

Unfortunately the motherboard sys fans have 4 pins but my case fan (not processor fan) only has 3 pin slots....what do I do, get a new case fan?

Also, does it matter which of the sys fan pins I plug the case fan into? There's a few to choose from.

Thank you!

 

[mcnumpty23]

plug the 3 pin fan to the 4 pin header just means you dont get pwm control

usually can plug it to any of them

 

[galeener]

Read your manual some of the fan headers are controlable from the bios some are not if you plug you 3 pin into the 4 pin and its not one of the controlable speed headers it will just run at the rated rpm. so its not really an issue unless you need it to be quieter.