10% higher air pressure and 15% higher airflow than average fans. As radiator fans, TF120S can improve cooling performance by 10% compared to average fans. Patented double-layer fan blades that vastly increased max. air flow. The unique wasp waist fan frame design that effectively elevated max. air pressure. Turbulator teeth and 9 rubber pads that significantly lowered the noise and vibration. Uses hydro bearing, and has a MTBF of up to 40,000 hours. Wide speed range (500~1800 RPM), with a low speed adaptor included for silent fans needs. Data collected from Deepcool lab.