A powerful and silent watercooling kit With the Liquid Freezer II 420 ARGB all-in-one CPU water cooling kit, ARCTIC puts all its know-how at the service of gaming thanks to a compact PWM controlled cooling pump. Thanks to this system, it does not operate at full load all the time but adjusts its operation to the temperature of the processor to limit its noise level at rest. The set is completed by three 140mm ARGB fans with high static pressure and another 40mm fan near the pump in charge of cooling the motherboard VRM circuits. Benefit from Arctic expertise Thanks to its ingenious design, the this watercooling system does not operate at 100% permanently. Indeed, the PWM system with which it is equipped adjusts its speed according to the demand of the moment. In this way, it is extremely silent at rest while consuming less energy! The Liquid Freezer II also features three ARGB ARCTIC P-series 140 mm hydrodynamic bearing fans with blades designed for better efficiency. Enjoy a reduced level of vibrations, and an extreme lifespan for your new watercooling system. In addition to the standard high static pressure fan, a smaller 40mm fan sits near the pump and takes care of cooling the VRM circuitry on the motherboard so as to prevent overheating in the event of long-term stresses. The water circuit is completely hermetic, so there is no need to add additives.