As for the fan speed controller, I managed to defeat it (so that it could be controlled through the motherboard), set in the BIOS for the connector to which it is connected, control via PWM (it was auto) and in addition to 3 pin fans connected another 4 pin. For those who only have 3 pins powered, try setting the voltage control only, it might work. To be honest, for that kind of money, I would like more flexibility for building a cooling system for the insides (installing fans on the side cover and what concerns the top one).
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