German Engineering - German Design - German Quality - German Performance HIGH COOLING: Impressively high cooling performance for consumer CPUs ARGB PWM FANS: 3 Light Wings 120mm PWM high-speed fans offer equally high air pressure and vibrant ARGB illumination QUIET PERFORMANCE: Doubly decoupled PWM pump for quiet operation and minimal vibration ARGB SYNC: ARGB-PWM-Hub enables synchronization of up to 6 ARGB components and PWM fans EASY REFILL: Easy-to-access refill port and included coolant bottle guarantee a long lifespan WARRANTY: 3-year manufacturers warranty