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Passive

Raspberry Pi 4
GeeekPi Raspberry Pi 4 Armor Case with Fan, Raspberry Pi 4 Passive Aluminum Alloy Case with Cooling Fan for Raspberry Pi 4 Model B/Pi 4B/Pi 4 (3510 Fan)
Rated 0 out of 5
$26.99 Buy Now
Raspberry Pi 4
Geekworm Raspberry Pi 4 Armor Case, Raspberry Pi 4 Computer Model B Armor Aluminum Alloy Passive Cooling Case Compatible with Raspberry Pi 4 Model B Only (Raspberry Pi 4 Armor Case Without Fan-Grey)
Rated 0 out of 5
$20.99 Buy Now
Raspberry Pi 4
Geekworm Raspberry Pi 4 Case, Pi 4 Heatsink Case, Raspberry Pi 4 Aluminum Passive Cooling Case with Heatsink Pillar for Raspberry Pi 4 Model B/Pi 4B Only (P232)
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$21.99 Buy Now
Raspberry Pi 4
Hacbop for Pi 4 Model B Aluminum Case, Passive Cooling Aluminum Alloy Protective Shell Metal Enclosure for Pi 4 Model B
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$16.99 Buy Now
Raspberry Pi 4
PoE Texas Raspberry Pi 3 B+ and 4 Pi Hat The POE-PiHat is ONLY for Passive 12-48 Volt PoE, Compatible with 15-56v Passive PoE (POE-PiHat)
Rated 0 out of 5
$35.30 Buy Now

As an Amazon Associate I earn from qualifying purchases.