Fan speed is temperature-controlled. The fan RPM range depends on what fan model you use. Fan control on the MSI B650M Mortar WIFI can be accessed in the BIOS or MSI User Scenario app (from MSI Center ...
The first thing worth mentioning is the MSI Center, which offers a range of software, including the Mystic Light for controlling the RGB, the User Scenario for setting the performance, and the fan ...