The "Armor Case Block Active" is your ideal choice when it gets really hot. This high-quality, aluminium-based case protects your Raspberry Pi 4 B not only against exterior shocks but also against interior excessive heat development. The channel milling, combined with the dual fans offers best cooling performance. That's why it is perfect even for extreme settings and environments. Furthermore, this case does not need more space than the Raspberry Pi 4 itself and can thus be integrated inter alia in already existing projects.