Premium quiet fan, 200x200x30 mm, 12V, 3-pin Molex, 800/550 RPM, max. 18.1 dB(A), >150,000 h MTTF%ocs%Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance%ocs%Large 200mm diameter for high airflow performance at extremely low noise levels, three sets of mounting holes (154×154, 170×170 & 110x180mm)%ocs%3-pin FLX version provides 800/550rpm speed settings via Low-Noise Adaptor to fine-tune the fan for maximum airflow or near-silent operation%ocs%Includes anti-vibration mounts, fan screws, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply