Features 9 blades that is molded with the inner frame, which effectively pushes the air to the center of the fan to create a turbine Effect for higher pressure.. Air flow - 69.03 CFM. Noise level - 32.5 decibels Six centered LEDs are controlled by Independent IC chips to present a totally customizable addressable RGB lighting Effect. This also develops a variety of mixed color experiences. The crown inherits the modular cable design. This simplifies cable management by speeding up the installation process Included addressable cable for the motherboard addressable header. The crown ac140s radiant lighting effect can be beautifully and easily demonstrated with a compatible motherboard software. Shockproof rubber stands effectively reduces vibrations. Asus Aura Sync & MSI Mystic Light Sync compatible ready