Aluminum Cooling Case for Raspberry Pi 4

This aluminum case provides passive cooling for your Raspberry Pi 4. It dissipates heat upwards through built-in thermal columns. Protect your motherboard better and extend its service life! It has a ribbed design for efficient heat dissipation. Raspberry Pi 4 Aluminum Alloy Case Black Gray Metal Shell Passive Cooling Enlosure Case for Raspberry Pi 4 Model B RPI 4B Pi4