High Cooling Efficiency: The Razer Kunai Chroma 140mm fan delivers a maximum airflow of 81 CFM, ensuring your system stays cool even under heavy loads. Quiet Operation and Durability: Featuring a hydraulic bearing structure, the fan offers whisper-quiet performance at low speeds and a long lifespan for continuous use. Sleek Design with ARGB Lighting: Built with a black plastic frame and vibrant ARGB lighting, it can sync with other Razer Chroma-compatible devices for an immersive visual experience. Superior Connectivity and Speed: Equipped with a 4-pin power connector and capable of reaching speeds up to 1600 RPM, it seamlessly integrates into any PC setup.