Light-brown transparent fan blades for better LED effect. Long life sleeve bearing for longer life expectancy. Strong air flow to fortify cooling efficiency. Silent operation as an excellent choice for case cooling. RoHS compliance for protecting the environment. Dimensions 120.00 x 120.00 x 25.00mm 2000 RPM 69.69 CFM (maximum RPM) 19 dBA Long Life Sleeve Power Connector 3 to 4 pin Adapter Color Black LED 4 x Blue LED