https://lkml.org/lkml/2020/12/11/669
LKML: Nicolas Saenz Julienne: [PATCH v6 00/11] Raspberry Pi PoE HAT fan support
raspberry pi poe hat
https://www.cnx-software.com/2025/04/17/thin-poe-hat-for-raspberry-pi-5-fits-inside-the-official-case-works-with-the-active-cooler/
Thin PoE HAT for Raspberry Pi 5 features isolated SMPS, fits inside the official case, works with...
Apr 18, 2025 - Waveshare has launched the PoE HAT (H), a thin Power over Ethernet(PoE) HAT for the Raspberry Pi 5 that easily fits inside the official case and works
https://www.newegg.com/global/au-en/p/3C6-00UH-00V94
Pi5 PoE HAT Board Compatible with Raspberry Pi 5/Compute Module 5, Power Over Ethernet HAT,Offer...
Buy Pi5 PoE HAT Board Compatible with Raspberry Pi 5/Compute Module 5, Power Over Ethernet HAT,Offer Network Connection and Power Supply to Pi 5/CM 5 in One...
raspberry pi 5 compute module