The Antec KUHLER H2O 1200 Pro provides maximum-performance liquid cooling for your CPU and delivers best-in-class performance in a quick, easy-to-install package. Comes prefilled and requires no maintenance. Two 120 mm voltage-controlled (PWM) fans and dual extra large pumps ensure quiet, efficient cooling, while the 240 mm radiator maximises cooling surface area. The included Antec Grid software helps you monitor and control the Antec KUHLER H2O 1200’s performance and allows you to customise its stylish RGB LED. Designed to unlock the maximum potential of your CPU, the Antec KUHLER H2O 1200 delivers exceptional cooling when you need it the most.