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OPTIMISED FOR STATIC PRESSURE: During the development of the new P12 PWM, special emphasis was placed on a focused airstream and thus a high static pressure 200 TO 1800 RPM REGULATED VIA PWM: Thanks to 4-pin connector, the RPM can be regulated in a broad spectrum via PWM, noise is kept at a minimum while maximum cooling performance is given when needed MORE EFFICIENT TECHNOLOGY: The motor is powered by a Neodym-Iron-Boron-Magnet ring of the newest generation, which allows the new P12 PWM to run much more efficiently than its predecessors EXTENDED LIFE SPAN: A 10 °C lower motor temperature roughly doubles the life span of a fan, the new ARCTIC motor has a four times longer service life through its low coil temperature TECHNICAL DATA: Fan speed: 200–1800 RPM, Airflow: 56.3 CFM/95.65 m³/h (@ 1800 RPM), Noise Level: 0.3 Sone (@ 1800 RPM), Pin: 4-pinP12 PWM in white/transparent B-Stock