Ultra low noise fan, 120x120x25 mm, 12V, 3-pin Molex, 800/600 RPM, max. 8.6 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 ULN version with 800rpm (600rpm with supplied Ultra-Low-Noise Adaptor) for serious silent enthusiasts who demand the utmost quietness of operation Includes anti-vibration mounts, fan screws, Ultra-Low-Noise Adaptor, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply