New Raspberry Pi PoE+ HAT handles up to 25.5 Watts

The Raspberry Pi Foundation has just announced the Raspberry Pi PoE+ HAT compliant with 802.3at (aka PoE+) and 802.3af standards and support for up to 25.5 Watts input.

It will replace the Raspberry Pi PoE HAT introduced in 2018 which was limited to 802.3af standard with a maximum of 15.4 Watts input and will become available around mid-June for $20 plus taxes and shipping.

Raspberry Pi PoE Plus HAT Pi 4
Raspberry Pi PoE+ HAT fitted to Raspberry Pi 4

Raspberry Pi PoE+ HAT specifications vs PoE HAT.

Raspberry Pi PoE+ HAT
Raspberry Pi PoE HAT
IEEE 802.3at & 802.3af
IEEE 802.3af
Device Class
Power Supply
Fully isolated switched mode power supply
Input Voltage
37-57V DC
Output Voltage
Max output current
Max output power
Cooling fan
Current Sense
Wire wound
Compatible boards
Raspberry Pi 4B, 3B+, CM4IO board
Launch date
24th of May 2021
August 2018
Raspberry Pi PoE+ HAT vs PoE HAT
Raspberry Pi PoE+ HAT vs PoE HAT

Besides supporting 802.3at standard with a higher current/more power, the new PoE+ HAT also adds a current sensor and relies on a planar transformer instead of a wire wound transformer with the former being more compact and efficient.

The brushless fan is controlled by I2C and helps the processor on the Raspberry Pi 3/4. You may need the latest version of the Raspberry Pi OS for the new PoE+ HAT to work properly.

While the Raspberry Pi PoE+ HAT is officially introduced today, it should only be in stock around mid of June 2021, and you should soon be able to pre-order on sites like Cytron, RS Components, Seeed Studio, and others.

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6 Replies to “New Raspberry Pi PoE+ HAT handles up to 25.5 Watts”

  1. ‘Bedside’ should better read ‘besides’ and I believe you confused which product uses planar vs. wire-wound.

    1. Typo corrected. I was provided with the wrong info about the transformer. Updated as well.

      1. Also has 5V USB-A & 2 Pin 12V Header Outputs for powering additional devices up to 25W total.

  2. They’re going to shove that in an enclosed case with no heatsink and no airflow. What could go wrong? Raspberry Pi hardware “engineering”.

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