All fans connected to the hub are controlled according to the data returned by the fan that is plugged into position 1 on the fan hub. You can therefore control the fans connected to the hub via the fan curve of the mainboard connection used.

The fans run at the maximum speed of the fan that is plugged into the first slot. For automatic control of the 3-pin fans, you can use something like this https://www.reichelt.com/ch....