The PWM fan control allows for dynamic speed adjustment between 900 rpm to 2, 000 rpm, minimizing noise or maximizing airflow. Max. Air Flow: 55.2CFM; Noise: 16.3~33.5dB(A) RGB lighting can sync with motherboard is adjustable to match your PC build. The standard 120X120X25mm cooling fan is designed to match the cpu cooler, cpu water cooler, pc case etc. High quality fan blades and frame built-in extremely even light diffuser. The 120mm fan Blade engineered for Low-Noise operation without sacrificing performance