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Amazon.com: Raspberry Pi 4 Case, Pi 4 Armor Case Metal Case with Dual Fan Aluminium Alloy, Raspberry Pi 4 Fan, Pi 4 Heatsink for Raspberry Pi 4 Model/ Pi 4B : Electronics
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Aluminum Metal Heatsink Raspberry Pi 4 Case with Dual Fans : ID 4340 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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