The be quiet! Silent Wings Pro 4 is a premium 120mm PWM case fan designed for optimal cooling and ultra-silent operation. Features a unique fan blade design that enhances airflow while minimizing noise levels.

• 120mm size with PWM control for variable speed
• High airflow and static pressure for efficient cooling
• Low noise levels with a maximum of 29.5 dBA
• Advanced fluid dynamic bearing for longevity
• Anti-vibration mounts for easy installation

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be quiet! Silent Wings Pro 4 120mm PWM Case Fan