1U Rack Mount for Raspberry Pi 4B 19" Supports 1-4 Units with Fans & Heatsinks
Compatible with Raspberry Pi 4B: Holds up to 4 boards (Raspberry Pi not included). Compatible Devices: Raspberry Pi 4B. Standard 1U Size: 19" x 1.75" (482 x 44 mm), fits all standard 19" server racks.