Cooler master nepton 240m cpu liquid cooler factory filled with coolant then sealed and pressure tested requires zero maintenance for years cm self designed pump and water block guarantees the best water flow and system performance bigger tubing and radiator size provide superior heat dissipation performance exclusive dual 120mm fans to dissipate large amounts of heat through the radiator unique led illumination on the water blocklens model rl n24m 24pk r1 cpu socket intel lga