Thermaltake 200mm Pure 20 Series Black 200x30mm Thick Quiet High Airflow Case Fan with Anti-Vibration Mounting System Cooling CL-F015-PL20BL-A High Performance: 200x30mm thick for high air pressure and airflow Enhanced Airflow: Fan blade designed to focus airflow and reduce noise, creating a torrent of air without creating excess noise Offers the Perfect Balance of Silence, Style and Efficiency. Long Life Sleeve Bearing: ong-life bearing offers better reliability and extends life span. Easy to install : Shaved frame allow more installation, specially the chassis from Thermaltake. LED version available: Pure 20 series are available in LED version, adding cooling aesthetics to your chassis