![]() ![]() I have interpreted that to mean if a three pin fan, they control speed with the voltage on pin 2 and if a four pin speed is controlled by the 4th pin using PWM The motherboard advertises that that the two case fan connectors (4 pin) have Smart Speed Control clarified with an asterisk, that they can auto detect if a 3 pin or 4 pin fan is in use. ![]() The Corsair Carbide Series 100 R Silent Edition case I purchased has two, three pin fans which may optionally be attached to a three speed control in the case or to the motherboard. Processor i5-7500 with stock Intel CPU Fan Completed new build early this week and having fan speed problems.īoard H270M Pro4 BIOS flashed with latest 4/2017 2 ![]()
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