B550M VDH-WIFI FAN QUESTION

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Oct 25, 2025
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Hello, I have a big doubt that I have not been able to find any answer either in forums or in the specifications of the motherboard.

I want to buy the MSI MAG FORGE M100R case which has 4 system fans, that is, 4 system fans, the problem is that the motherboard that I want to put which is the MSI B550M PRO-VDH WIFI only has 3 system fan connections. This motherboard also has an extra 4-pin connection for liquid cooling, water-pump fan. I have seen in various forums that it is possible to connect a case fan to a pump fan connection but that the speed would have to be changed and adjusted since the water-pump fan connection always gives 100% power.
My question is, would it be possible to connect a chassis system fan to a water-pump fan connection of the motherboard and be able to adjust the speed to the same as a normal system fan connection? Type customize just like the curve of normal fans.

I look forward to your reply, thank you very much for reading.
 
My question is, would it be possible to connect a chassis system fan to a water-pump fan connection of the motherboard and be able to adjust the speed to the same as a normal system fan connection? Type customize just like the curve of normal fans.
In a nut shell YES


And there is even Y Splitter for Fans that allows up to three fans per header

These Splittes are a great idea and I use them all the time
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