The brand new Be Quiet! Silent Wings Pro 4 120mm PWM fan is a high-quality computer case fan designed for optimal cooling performance. With a fan diameter of 120mm and a maximum fan speed of 3000 RPM, it provides a maximum airflow volume of 142 CFM to keep your computer running at its best. The fan features a fluid bearing for smooth operation and a 4-pin power connection for easy installation. With its sleek black color and compatible case brand, this fan is a reliable choice for maintaining a cool and efficient system.