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Stoppable PWM fan?

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I can switch off the fans AND close the top vents on my H1

For a CPU fan, I still recommend to leave it at low fan speed than shut it off completely.

What's that bass/treble volume control deck lol! :p
 
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iO

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Not sure which config is the best but I'd try a 140mm fan as semi-passive intake and the CPU cooler as exhaust fan like in your second picture..
 
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