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Fan control with temperature sensor without Mainboard

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I'm looking for a way to control fans in a JBOD chassis. I found manual fan control in slot bracket (see link below). But I would like to make it based on a temperature sensor.




I own a Supermicro SC846 JBOD chassis. In this chassis a small power board (CSE-PTJBOD-CB2) only exists to power on/off everything. The five fans are crying like hell and you think they are constantly on 100%. But if you remove one fan, they become even louder.




The room is really cold throughout the year and it's not necessary to keep the fans at 100% without CPUs, RAM, etc.


Does anybody know a solution to reduce fan speed by temperature sensor without a mainboard? A newer version of the power board (CSE-PTJBOD-CB3) is no solution because my backplane (BPN-SAS2-EL1) does not have the required connectors.





Edited by hawihoney

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