Add-on Fan Module Enhancing Accelero S1 Plus/Rev. 2 Cooling Performance * Fluid Dynamic Bearing for Extended Service Life & Quiet Operation at 21 dBA * Flexible Rubber Pin Mounting for Both Accelero S1 Plus & S1 Rev. 2 * 120mm Fan with Low Noise Impeller Increases Airflow but Minimizing Fan Noise * Include MX-4 Thermal Compound Syringe, 6-Year Limited Warranty