Bullet_point: ['HIGHER AIRFLOW: The Silent 12 is designed to maximize airflow without increasing the noise level thanks to its optimized fan blades', 'HYDRO-DYNAMIC BEARING: The HYDRO-DYNAMIC BEARING from GELID extends the service life of the Silent 14 to 50,000 h MTTF at 40 ° C.', "IMPROVED PERFORMANCE: The Silent 14 reaches a speed of 1000 rpm, an airflow of 64.8 CFM and a noise level of 21 dBA. This can be achieved thanks to GELID's superior design."] (Page 1)