Official Raspberry Pi PoE HAT (PoE+ 802.3at), Pi 4 and 3B+

HAT PoE Raspberry Pi vert vu de dessus avec ventilateur et connecteurs soudés

Raspberry Pi PoE+ HAT

23,80 € INCL. VAT

Power your Raspberry Pi and connect it to the network with a single Ethernet cable.
PoE+ IEEE 802.3at, 5 V 4 A output, automatically controlled 25 mm fan.
Compatible with Raspberry Pi 4 and Raspberry Pi 3 B+, with a PoE+ switch or injector.

Availability: Rupture de stock Référence : POE+HAT Categories: HATs Raspberry Pi 3 & Pi 2, HATs Raspberry Pi 4

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Description
Additional information

Description

Raspberry Pi PoE HAT (PoE+): power your Raspberry Pi over PoE with a single cable

Data and power in the same Ethernet cable: the official Raspberry Pi PoE+ HAT turns your Raspberry Pi 4 or Raspberry Pi 3 Model B+ into an IEEE 802.3at-compliant Power over Ethernet device. No more power brick next to each board, and a built-in fan cools the processor.

Highlights

PoE+ IEEE 802.3at-2009 standard, class 4 device: it draws power from a PoE+ switch or injector.
5 V at 4 A output: enough to power the board and its USB peripherals without compromise.
Fully isolated switched-mode power supply, for the safety of the board and the network.
25 × 25 mm brushless fan (2.2 CFM) controlled over I2C: it starts and stops according to the processor temperature.
Long-term availability : production guaranteed by the manufacturer until at least January 2030.

Technical specifications

Features	Official value
Standard	IEEE 802.3at-2009 (PoE+)
Input voltage	37 to 57 V DC, class 4 device
Output	5 V DC / 4 A
Cooling	25 × 25 mm brushless fan, 2.2 CFM, speed control
Connection	40-pin GPIO + 4-pin PoE header
Operating temperature	0 à +50 °C
Board dimensions	65 × 56.5 mm
Compatible boards	Raspberry Pi 4 Model B, Raspberry Pi 3 Model B+

Which one should you choose?

The official PoE+ HAT connects to the 4 PoE pins found only on the Pi 3 B+ and Pi 4. For a Raspberry Pi 5, another solution is needed:

Solution	Target boards	Principle	Key points
Official PoE+ HAT (this product)	Pi 4, Pi 3 B+	HAT on GPIO + PoE pins	802.3at, 5 V 4 A, built-in fan
PoE+ HAT for Raspberry Pi 5	Pi 5	HAT dedicated to the Pi 5	Designed for the official Pi 5 case
PCIe to M.2 adapter with PoE	Pi 5	PoE and M.2 SSD on one board	NVMe storage and PoE combined
PoE / USB-C 5 V 4 A splitter	Boards with USB-C input	External unit, no HAT	Leaves the GPIO free

Our advice : for a Pi 4 or Pi 3 B+ in a rack or on the ceiling, go for this official HAT; if the GPIO must stay free, choose the splitter.

Compatibility and pitfalls to avoid

PoE+ equipment is required upstream : a PoE+ switch or 802.3at injector. A non-PoE switch will not power the board.
Raspberry Pi 3 : only the 3 B+ model has the PoE pins. The Pi 3 Model B and Pi 3 A+ are not compatible.
Raspberry Pi 5 not supported by this model: see the alternatives above.
A single power source : when the HAT is fitted, the Pi is powered only through the Ethernet cable. Do not also connect the USB power supply.
Housing : the HAT and its fan prevent most standard cases from closing; plan for a ventilated case that accepts a HAT.
Assembly : first screw the supplied standoffs into the four corners, then press the HAT onto both headers (40 + 4 pins). When removing it, pull straight up.

Recommended accessories

The official Raspberry Pi PoE+ injector : adds PoE to an existing network, for one or two Pis.
The TP-Link 4-port PoE+ switch : powers several boards from a single device, perfect for a small cluster.
The RJ45 CAT6 Ethernet cable: it carries both Gigabit data and power.
The Raspberry Pi 4 Model B 4 GB : the reference board for this HAT.

Uses and projects

Surveillance camera mounted on the ceiling, sensor installed in a technical room, digital signage screen, cluster of boards in a rack: wherever a mains socket is missing, PoE simplifies installation. Learn everything with our guide PoE on Raspberry Pi: power and connect with a single cable, then scale up by following our tutorial to build a k3s cluster in a 10-inch rack.

Frequently asked questions

Is the PoE+ HAT compatible with the Raspberry Pi 5?

No. The Pi 5 is not on the official list; choose the PoE+ HAT for Raspberry Pi 5 or the PoE / USB-C splitter.

Which PoE standard does the switch need?

The HAT is an 802.3at (PoE+) class 4 device: use an 802.3at PoE+ switch or injector.

Do I still need to connect the USB-C power supply?

No, and you must not: with the HAT fitted, the Pi is powered only through the Ethernet cable.

Does the fan run all the time?

No, it is controlled over I2C by the Raspberry Pi and switches on according to the processor temperature.

Does it work on a Raspberry Pi 3 Model B?

No, only the Pi 3 Model B+ has the required 4-pin PoE header.

What has changed compared with the previous PoE HAT?

The PoE+ HAT follows the 802.3at standard and delivers 5 V at 4 A; it keeps the same mechanical footprint as its predecessor.

Order your Raspberry Pi PoE+ HAT on monraspberry.com : official, tested product, stock based in France, shipping within 24/48 h after receipt of payment, free pickup point delivery on orders from €200, returns possible within 14 days with return authorization, and payment by Visa, Mastercard, PayPal, Apple Pay or Google Pay.