The be quiet! Pure Wings 3 120mm PWM is a versatile cooling fan designed to maintain stable temperatures inside your computer case. It utilizes a 4-pole motor and rifle bearing technology to ensure a long operational lifespan of up to 80,000 hours at 25°C, making it a reliable choice for long-term system maintenance. This black fan measures 120 x 120 x 25 mm and reaches a maximum speed of 1600 rpm, which delivers an airflow of 49.9 CFM and static pressure of 1.45 mm H2O. Because it uses a 4-pin PWM connector, your motherboard can automatically adjust the speed based on the heat load, keeping the noise level at a maximum of 25.5 dB(A). The package includes the fan and four screws for a straightforward installation, while the 460 mm cable provides enough length to reach your headers comfortably.