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Green rectangular circuit board with Ethernet jack and GPIO header

KEHIPI

KEHIPI PoE HAT (E) development board 802.3af-compliant

SKU CH-VS30-E5HSV

Adds IEEE 802.3af Power over Ethernet to Raspberry Pi 3B+ or 4B through a compact isolated switched-mode supply in the official case form factor

  • Compatible with Raspberry Pi 3B+ and 4B
  • IEEE 802.3af compliant PoE power delivery
  • Fully isolated switched-mode power supply
  • Compact component layout for flexible installation
  • Single Ethernet cable provides network and power

PoE HAT for Raspberry Pi 3B+ and 4B

This compact HAT adds IEEE 802.3af Power over Ethernet to Raspberry Pi 3B+ and 4B boards. It fits inside the official Raspberry Pi case without modification. A fully isolated switched-mode supply delivers power and data through a single Ethernet cable.

Replacing a separate power adapter and cable

The board removes the need for an external USB-C or micro-USB power supply when a compliant PoE switch or injector is already in place. The upgrade is worthwhile for headless or remote Pi deployments where running a dedicated power line is impractical.

Limited to 802.3af power budget

The 802.3 standard caps available power at the device, so the HAT cannot support high-current peripherals or heavy GPU workloads on the Pi. Builds that need more than the standard allowance must use a separate power source instead.

Highlights

  • Compatible with Raspberry Pi 3B+ and 4B
  • IEEE 802.3af compliant PoE power delivery
  • Fully isolated switched-mode power supply
  • Compact component layout for flexible installation
  • Single Ethernet cable provides network and power

Specifications

Brandwaveshare
ModelPoE HAT (E)
Part NumberPoE HAT (E)

Questions about this item

Does this HAT fit inside the official Raspberry Pi case?

Yes, the board is compatible with the official Raspberry Pi case for the 3B+ and 4B models.

Which GPIO pins must be connected for the PoE HAT (E) to receive power?

The HAT draws power from the Ethernet jack and supplies the Pi through the 40-pin GPIO header; no extra wiring is required.

Will the onboard switched-mode power supply need a fan or heatsink over time?

The fully isolated SMPS runs without a fan; no active cooling or periodic replacement is specified for normal operation.

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