how do i measure the size of fan i need.

  ding dong dave 21:11 20 Sep 2006
Locked

hi every1
i am thinking of installing a case fan, but am not sure how you measure one. is it measured from the screw hole to the other screw hole or is it the width of the actual fan itself.
on my case the screw holes are 70mm apart, do i buy a 70mm fan?
any help be gratefully apreciated
dave

  PSF 21:47 20 Sep 2006

If the screw centres are 70mm apart you will need an 80mm fan. Just measured one ;-)

  ding dong dave 21:49 20 Sep 2006

thanks for your help

  PSF 22:06 20 Sep 2006

ps, check the number of wires in the plug for it. Some have 2 wires and others have 3 wires. The third wire is for checking the speed of the fan.

You can buy a fans which come with adaptors for both options.

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