UCTRONICS U6195 Front Removable Raspberry Pi 1U Rack Mount, with 4 Mounting Brackets for Raspberry Pi 4B, 3B+/3B, and Other B Models

UCTRONICS Front Removable 1U Rack Mount for Raspberry Pi, with 4 Mounting Brackets for Raspberry Pi 5, 4B, 3B+/3B, and Other B Models

GeeekPi P33 M.2 NVME M-Key PoE+ Hat with Official Pi 5 Active Cooler for Raspberry Pi 5, Support M.2 NVMe SSDs 2230/2242/2260/2280

waveshare Power Over Ethernet (PoE) HAT for Raspberry Pi 4B/3B+, 802.3af/at PoE Network Standard, 5V USB-A&12V Header Outputs, PoE HAT Onboard Cooling Fan and MP8676 Buck Chip, Isolated