ARCTIC Liquid Freezer III Pro 420 A-RGB

The ARCTIC Liquid Freezer III Pro 420 A-RGB is a high-performance all-in-one (AIO) liquid CPU cooler designed for enthusiasts, gamers, and workstation users who demand maximum cooling capacity with vibrant addressable RGB lighting. Featuring a large 420 mm radiator and three high-performance 140 mm fans, it delivers exceptional thermal performance while maintaining low noise levels. The cooler includes ARCTIC’s optimized PWM-controlled pump, integrated VRM cooling fan, and premium MX-6 thermal compound for improved heat transfer. Its A-RGB lighting is compatible with major motherboard RGB ecosystems, allowing full synchronization and customization. Ideal for overclocked systems and high-core-count CPUs, the Liquid Freezer III Pro 420 A-RGB combines powerful cooling, quiet operation, and clean aesthetics.