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Possible Duplicate:
Buying A Computer “Case” Fan… Does It Always Run At 100% Unless Told Otherwise?

I don't have quite enough 3 pin fan slots on my Motherboard so I'll need to run at least one on Molex. I don't have a fan controller, so are these fans on molex going to always be running at max speed due to no PWM and no voltage controller? If I put them on Molex I'm no longer able to measure the fans speeds so I'm not sure, but if the fans are going to run at max speed I'll need to run some of the quieter fans on Molex

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Zelda
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1 Answers1

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Yes, on molex they will run at 12volts witch is the maximum of a normal desktop fan (producing the maximum speed).

If you think that it is too loud, then buy one of these resistances: enter image description here

You can easly find them at almost any computer parts store.

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