be quiet! Silent Wings Pro 4 140mm PWM High Performance Fan

Upgrade your cooling system with the be quiet! Silent Wings Pro 4 140mm PWM fan. Designed for users who demand extraordinary high performance, this fan features newly developed blades built from scratch to deliver unmatched airflow. Whether you are cooling a PC case, a radiator, or a heat sink, the optimized blade arrangement ensures top-tier operation across all scenarios. This fan is engineered to create extraordinary air pressure. By decreasing the distance between the fan blades and the frame, it maximizes pressure to significantly increase your system's overall performance. The inclusion of a 6-pole fan motor and a fluid-dynamic bearing provides a reliable and efficient cooling solution. For added versatility, the integrated Speed Switch allows you to easily change the maximum PWM speed to suit your specific cooling needs. Experience a professional-grade cooling component that combines advanced engineering with practical control for your high-performance computer builds.