
After reading so much about the RPi4B heater, I decided to buy a cooler and do a test. 78 degree room 2nd pic 7 hours in the same room only metal radiators 3rd pic 11 hours metal radiators in the same room with fans running The same is available from Alibaba/Alibaba Express for about $8-$15 including shipping. Revain Prime the next day for around $20. https://www.amazon.com/Raspberry-Computer-Alum.../.../B07VD6LHS1

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