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The right case depends entirely on what the Pi is actually doing — a case built for passive cooling on a Pi-hole is the wrong choice for a Pi 5 running Frigate object detection under sustained load.
An active-cooling case for demanding workloads
For anything CPU-intensive — Home Assistant, Frigate, general server duty — a case with a real fan beats passive heatsink-only designs, especially on Pi 5 which throttles more readily than Pi 4 under load.
- This is Official Active Cooler for Raspberry Pi 5
- Combines an Aluminium Heatsink with a Temperature-Controlled Blower Fan to accelerate heat dissipation
- How to Install: Connect the 4pin cable to the fan header on Raspberry Pi 5, and fix the Active Cooler via spring-loaded push pins
A NAS-style case for storage projects
Cases built specifically around HAT-mounted drive bays turn a Pi into a genuinely tidy small NAS enclosure rather than a tangle of USB drives and cables.
- Package Include: 1pcs* RPI4 Quad Sata Hat Kit Network Storage Server
- A Nice lean design, Smaller than a bottle of Coke, fits into the smallest book shelf
- High Capacity : Up to 16TB, with low noise PWM fans
A retro-console-style case for gaming builds
Retro gaming Pi builds benefit from cases styled after classic consoles, which is purely cosmetic but genuinely part of the appeal for that specific project type.
- This Game4Pi case is Only for Raspberry Pi 4B;NES style; Lateral heat dissipation.
- This Game4Pi case can make your Raspberry Pi 4B become a NES retro gaming machine in one second!
- Built-in 3510 fan can help raspberry Pi 4B cool down during you play games.
Match the case to the actual thermal and functional demands of the project — a passive case on a lightly-loaded Pi-hole is fine, but the same case on a Pi 5 running Frigate will throttle.