Controlador de velocidad del ventilador DC12V 4P PWM con perilla Estuche de CPU Control de ventilador Ruido8477
It outputs a 0-5V 25Khz PWM signal, adjustable from 0% to 100% PWM range and 0% to 60% at. Note that it is incompatible with 2-3 wire fans. PWM signal model:0-5V 25Khz. PWM signal output range:0% to 100%.