Sure, but 22W is still a trivial amount of heat & power in the form factor of a desktop system. Fans don't need to spin for that (or if they do it's at the lowe

Sure, but 22W is still a trivial amount of heat & power in the form factor of a desktop system. Fans don't need to spin for that (or if they do it's at the lowest RPM - still silent). Fans do need to spin, and with some moderate oomph, to handle 80W, though.