Premium quiet fan, 120x120x25 mm, 12V, 3-pin Molex, 1200/900/700 RPM, max. 17.8 dB(A), >150,000 h MTTF Award-winning third-gen 120x25mm S12 fan with Anti-Stall Knobs and Advanced Acoustic Optimisation frame for superior quiet cooling performance Airflow-optimised design for highly efficient, near-silent ventilation of PC cases and other chassis (intake & exhaust), cabinet cooling, etc. 3-pin FLX version provides 1200/900/700rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation Includes anti-vibration mounts, fan screws, Low-Noise & Ultra-Low-Noise Adaptors, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply