The fan for Fan8025pwm 80 mm houses adds an efficient solution for air cooling in computer homes or other enclosures to maintain optimal components. Thanks to PWM technology (Pulse Width Modulation) the fan speed can be dynamicly controlled by the motherboard so that the fan works at a speed suitable for operating conditions, reducing the consumption of current and the noise of the ventila While the system is inactive and ensuring maximum cooling in full load conditions. With 2 -year -old Startech.com guarantee and free -life technical support.