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120mm case fans

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April 20, 2010 4:15:46 PM

Hey guys, if my case came with three 120mm fans (coolermaster cm690),
and the fan has a 3pin connector attached to it, but it also came with another 3 pin adapter that has a 4pin molex (male and female).

Should I use the 3pin to connect onto the motherboard or the 4pin into the Powersupply cable? I can't seem to do both, and the motherboard instructions talk about connecting the rear fan to the CHA_FAN spots on the mobo for heat regulation.

More about : 120mm case fans

April 20, 2010 4:23:37 PM

If you want to monitor and control the fans then plug them into the motherboard. If you don't want to do any of that and just let them run at full speed all the time then plug them into the molex.
April 20, 2010 4:25:45 PM

OH ok, thank you, I really appreciate it. It is my first build and am nervous about just plugging things into random spots, but thank you for responding and helping me out :) 
!