Very high cooling performance for all mainstream CPUs 2 Light Wings 140mm PWM high-speed fans offer equally high air pressure and vibrant ARGB illumination Doubly decoupled PWM pump for quiet operation and minimal vibration ARGB-PWM-Hub enables synchronization of up to 6 ARGB components and PWM fans Combination of ARGB illumination, all-black design and aluminum-style for unmistakable and stylish look Easy-to-access refill port and included coolant bottle guarantee a long lifespan