Noctua NF-A20 - 200mm

Premium quiet fan, 200x200x30 mm, 12V, 4-pin PWM, max. 800 RPM, max. 18.1 dB(A), >150,000 h MTTF ATTENTION: 200mm diameter (7.8 inches) and a thickness of 30mm (1.18 inches). Please make sure you have sufficient space in your case. Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance Large 200mm diameter for high airflow performance at extremely low noise levels, three sets of mounting holes (154x154, 170x170 & 110x180mm) Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header