During the development of the P12 PWM PST, special emphasis was placed on a focused airstream and thus a high static pressure. The fan guarantees extremely efficient cooling, even with increased air resistance. Therefore, the P12 PWM PST is particularly suitable for use on heatsinks and radiators. The motor is powered by a neodym-iron-boron-magnet ring, which allows the P12 PWM PST to run much more efficiently than its predecessors. This saves energy and lowers the coil temperature without compromising the performance. Even at low speeds the operating sound of the Arctic motor is barely noticeable. Due to a sinus-magnetizing the innovative motor only creates about 5% of the vibration from commutation of a regular DC-motor without filter. Consequently, there is no need for rubber spacers due to the steady and smooth torque of the motor. A lower motor temperature roughly doubles the life span of a fan. The Arctic motor has a longer service life through its low coil temperature. The P12 PWM PST is able to switch into silent passive mode when PWM signal is below 5% due to its motor. This allows working at your PC in complete silence without any unwanted noise.