GeeekPi 1U Rack Kit for Raspberry Pi 4B, 19" Rackmount Supports 1-4 Units...
GeeekPi 1U Rack Kit for Raspberry Pi 4B, 19" 1U Rackmount Supports 1-4 Units with 4pcs Raspberry Pi Fans, Aluminum Heatsinks, Micro HDMI to HDMI Boards, TF Card to FPC Boards for Raspberry Pi 4B. Manufacturer: GeeekPi.