Originally Posted by obreitfelder
Just put the 4pin cable on the 3pin socket on your board. It will fit. False installation is nearly impossible due to mechanical layout of the plug. One pin of the cable/plug won't be connected. This pin would be used for PWM operation of the fan (= controlling the fan speed via the mainboard; automatic fan speed regulation based on temps).
And than the cooler runs with 100% ? Or works the voltage regulation by the mobo?