Ultimate AIO Design: Increase CPU performance and lower temperatures to improve and enhance PC aesthetics with the complete Razer Chroma aRGB enabled AIO cooling solution Quiet, Powerful aRGB Fans: The Hanbo effectively draws in or vents out air while maintaining a low noise profile, while its aRGB lighting produces brighter, more refined lighting effects and powered by Razer Chroma Silent, Efficient Liquid Cooling: For optimal thermal performance, our AIO cooler has an optimized intake design to ensure greater heat transfer, combined with fluid dynamic bearings for silent operation and improved reliability PWM Fan Controller Support: Whether you need maximum airflow to run the latest games, or want it to operate quietly while being idle, adjust the Razer Hanbo’s fan speed directly with our PWM fan controller (sold separately) Powered by RGB Chroma aRGB: Unlock ultimate aRGB customization with 16.8 million colors, light patterns, and effects which react to gameplay. Get the world’s largest lighting ecosystem and control it from one platform