Solid Copper Raspberry Pi 4 Case Costs $250

Akasa Pi-4 Pro, Pure Aluminum Raspberry Pi 4 Armor Case, Zero-Noise Passive Cooling Rpi 4 Case, Raspberry Pi 4 Heatsink for Raspberry Pi 4 Model B, Thermal Kit Included, A-RA08-M2B

Geekworm for Raspberry Pi 4 Case, Pi 4 Heavy Duty Aluminum Alloy Passive Cooling Case with Copper Heatsink Compatible with Raspberry Pi 4 Model B Only-Silver (P173-Silver) : Electronics

Geekworm for Raspberry Pi 4 Case, Pi 4 Heavy Duty Aluminum Alloy Passive Cooling Case with Copper Heatsink Compatible with Raspberry Pi 4 Model B Only-Silver (P173-Silver) : Electronics

Raspberry Pi PoE HAT+; Fully isolated switched-mode power supply; fan control; 5 V DC/5 A - Micro Center

A Raspberry Pi 5 Is Better Than Two Pi 4s

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

Geekworm for Raspberry Pi 4 Aluminum Case, Heavy Duty Passive Cooling Metal Case/Housing with Heatsink Pillar Compatible with Raspberry Pi 4 Model B

Raspberry Pi Pico Microcontroller Is Just $4

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Raspberry Pi 4 Case - Red/White : Electronics

Geekworm for Raspberry Pi 4 Case, Pi 4 Heavy Duty Aluminum Alloy Passive Cooling Case with Copper Heatsink Compatible with Raspberry Pi 4 Model B Only-Silver (P173-Silver) : Electronics