Originally Posted by DarthBeavis
Excuse my n00bness, but what is a heater core?
A heater-core performs a similar function to that of a radiator, but are much more efficient at heat dissipation and offer better flow characterisics (less restrictive). They are best suited to reside in a rig that has a longer loop, i.e. CPU, GPU'(s), and NB waterblocks.