The argon40 power supply differs from typical standard 5V USB power supplies in the market. The argon40 Power Supply is able to fully deliver on a 2.5A voltage output, well within the USB minimum voltage specifications.
The official Power over Ethernet (PoE) add-on board for the Raspberry Pi 3 Model B+. Use this HAT to power a Raspberry Pi via an Ethernet cable, removing the need for a separate power supply, an ideal solution for embedded and IoT projects. For Raspberry Pi 3 Model B+ and onwards, an 802.3af compliant POE injector, switch or router device is required (not included).