Question 4 pin PWM control to 3 pin voltage control

57bel

Reputable
Mar 7, 2018
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Hello,
Anyone know of any hubs or controllers that take a 4 pin fan header pwm signal and convert it to a 3 pin voltage control header? Trying to control a 3 pin fan with a 4 pin pwm header.
Thanks for reading,
57bel
 

Paperdoc

Polypheme
Ambassador
You are right. The new unit is the Phanteks Universal Fan Controller, PH-PWHUB_02

https://www.amazon.com/Phanteks-Universal-Fan-Controller-PH-PWHUB_02/dp/B07NHQRCRM/ref=sr_1_1?crid=H56IKAMSHM0W&keywords=phanteks+universal+fan+controller&qid=1659973441&sprefix=Phanteks+Universal,aps,99&sr=8-1

It WILL do the job for you, and can do more that you don't need. It will automatically adjust to INPUT of a control signal set from a mobo header in either the older Voltage Control Mode or the new PWM Mode. It has two groups of output ports - 3-pin and 4-pin - and you choose according to your fan type. NOTE that Port 1 will automatically adjust itself to whichever type of fan is plugged in there. BUT it is the ONLY output port that sends its fan's speed signal back to the host header, so you SHOULD plug one fan into that port, even if the port has 4 pins.
 

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