The be quiet! Pure Wings 3 140mm Rifle Bearing PWM Case Fan is a high-quality computer component designed for optimal cooling performance. With a maximum fan speed of 1200 RPM and a 140mm diameter, this case fan is perfect for keeping your computer's internal components temperature-regulated. The rifle bearing design ensures smooth and efficient operation, while the sleek black plastic material adds a stylish touch to your computer setup. This fan is a reliable choice for those looking to improve the cooling system of their computer system.This listing includes 2 140mm Be Quiet Pure Wings 3 fans. They work perfectly and are extremely quiet in my H3 Flow. Upgrading to the light wings for the RGB, otherwise these are perfect.