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LORDWORLD PoE HAT board with GPIO header cooling fan and USB-A port

LORDWORLD

LORDWORLD Power Over Ethernet HAT Type C development board 802.3

SKU CH-9M42-3BHSC

Adds PoE power and active cooling to Raspberry Pi 3B+ or 4B via a 40-pin GPIO header, plus a USB-A port for extra devices

  • Powers Raspberry Pi 3B+/4B via 802.3af/at PoE networks
  • Fully isolated SMPS delivers stable 12V 2A and 5V 4A output
  • Onboard high-speed fan actively cools the board under load
  • Extra USB-A port powers additional external devices
  • Standard 40-pin GPIO header ensures direct Pi compatibility

PoE HAT for Raspberry Pi 3B+ and 4B

This add-on board equips a Raspberry Pi 3B+ or 4B with Power over Ethernet capability. It connects through the standard 40-pin GPIO header and draws power from an 802.3af or 802.3at compliant source. The board suits makers who want a single cable for both data and power in embedded or edge projects.

Isolated SMPS with active cooling fan

A fully isolated switched-mode power supply converts the PoE input into stable 12 V 2 A and 5 V 4 A rails for the Pi. An onboard high-speed fan provides active cooling to keep temperatures low during sustained loads. The isolated design helps protect the host board from voltage spikes on the Ethernet line.

Extra USB-A port for peripheral power

While the HAT powers the Raspberry Pi, its USB-A port can simultaneously supply an external device such as a sensor hub or small display. This reduces the need for additional power adapters in compact builds. Buyers who need PoE without extra USB power output or who require a passive cooling solution should consider alternative boards.

How it compares

Measured against everything we stock in Single-Board Computers & Dev Kits, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 55% of the 1,420 comparable items (median $44.99).

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Specifications

Product
Brand nameLORDWORLD

Questions about this item

How do I install the LORDWORLD PoE HAT on a Raspberry Pi 3B+ or 4B, and what step is often missed?

Align the 40PIN GPIO header and press firmly until fully seated; the step often missed is ensuring the PoE switch or injector is IEEE 802.3af/at compliant before powering on.

What maintenance or replacement will the onboard fan need later?

The high-speed active cooling fan may collect dust over time; clean it periodically with compressed air and replace it if bearing noise appears or airflow drops.

What limit appears first when the board runs at sustained 12V 2A and 5V 4A output?

Thermal limits appear first; the isolated SMPS and fan manage heat, but continuous maximum load can trigger throttling if enclosure airflow is restricted.

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