Water ripple light: Matte Surface design of the fan blade will show the light effect of ripples Extreme Airflow (58 CFM) and Superior Air Pressure(1.53 mmH?O) through the design of 9 fan blades Long Service Life: Sealed Hydraulic Bearing, Two-tier sealing mechanism, preventing dust and lubricating oil leakage while increasing the fans operation stability Enjoy the beautiful RGB effect and nice heat dissipation effect by TL-C12R-L RGB Case Fan. TL-C12R-L Case Fan provides the best performance requirement for cooling and low noise Independent power supply and light effect control: need to connect 12V 4pin RGB connector and 4pin PWM connector at the same time