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A comment on The Raspberry Pi 4 needs a fan. Parent comment

Re:The Raspberry Pi 4 needs a fan by naikrovek on Wednesday July 17, 2019 @12:53PM (#20461499)
How does it radiate enough heat with so little surface area (in comparison to an extruded aluminum heat sink with fins?)
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Re:The Raspberry Pi 4 needs a fan by kees99 on Wednesday July 17, 2019 @01:00PM (#20461559)
There is more area than meets the eye - a large chunk of PCB itself is a "heatsink" thanks to sheer amount of metal in there.
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