The be quiet! Silent Wings 4 PWM High Speed Black Fan is a high-quality 120mm fan designed for computer enthusiasts who demand top-notch performance. With a speed of 2500RPM and 4-Pin PWM control, this fan provides excellent airflow while remaining remarkably quiet. Trusted for its reliability and quality, the be quiet! brand ensures that this fan will keep your system running smoothly and efficiently. Perfect for those looking to enhance the cooling system of their computer, this fan is a top choice for anyone seeking high-speed performance.