The Silent Power PC uses an open-air metal foam heatsink for passive cooling
The copper foam on the top of the system dissipates heat generated by the hardware
The Silent Power PC brings the CPU to the top of the case for better cooling
The Silent Power PC is claimed to be the first high-end PC able to ditch noisy electric fans in favor of fully passive cooling. In place of a conventional fan, the unit uses an open-air metal foam heatsink that boasts an enormous surface area thanks to the open-weave filaments of copper of which it is composed. The Silent Power creators claim that the circulation of air through the foam is so efficient in dissipating heat that the exterior surface temperature never rises above 50° C (122° F) in normal use.
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