Source: FrostyTech
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The main selling point of watercooling thermal solutions has long been greater heat capacity and reduced noise levels through centralized heat management. Coolant is propelled by a pump though tubing from waterblock to heat exchanger and back again. Heat is absorbed by the coolant as it passes through the CPU waterblock, and in some cases a northbridge and
VGA waterblock too, before it is removed from the system by what is typically a large low speed fan and matching heat exchanger. The heat exchanger, or radiator, is generally located just outside of the computer chassis so the hot air coming off of it exits the case. In a configuration like this, noise is reduced, heat is transferred out of the system quickly, and thermal efficiencies are greatly increased across the board.