White Lighting: Signature cooling performance with a white led design: a perfect choice for all of the users wanting a single color with lighting effects. New Blade Design: Revised curve blade design to improve airflow and air pressure. A refreshed blade for improved lighting. Enhanced Fan Frame: Enhanced frame structure, reducing turbulent flow noise increase efficiency. Sealed Bearing Structure: Sealed and secured fan bearing, preventing dust and lubricating oil leakage while increasing the fan’s operation stability and life span.