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  1. #1
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    fan power connectors

    are fans with three pin connectors automatically controlled by the motherboard when powered by it or will they always run at the same speed as if they were being powered directly from the PSU?

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  3. #2
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    Some motherboards BIOS can control the fan speed for things like the CPU depending on the temperature depends on the board how much control is available, you can get fan controllers if you need/want to control the speed of the fans e.g. to reduce noise.

 

 

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