GeeekPi Acrylic Case for Raspberry Pi 4 Model B, Raspberry Pi 4B Case with Fan and 4pcs Heatsinks for Raspberry Pi 4 Model B (Only for Pi 4) (Black and Clear) :
LABISTS Case for Raspberry Pi 4
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Raspberry PI 4 Heatsink Set (3pcs) Black
pi 4 - Does this flat heat sink even work for cooling? - Raspberry Pi Stack Exchange
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Assembling the Heatsink Case
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