Specification Standard: IEEE 802.3at-2003 PoE Input voltage: 37–57 V DC, Class 4 device Output power: 5 V DC/4 A Cooling: 25 mm × 25 mm brushless fan delivering 2.2 CFM for processor cooling Features: Fully isolated switched-mode power supply Fan control: Operating temperature: 0 °C to +50 °C Production lifetime: The Raspberry Pi PoE+ HAT will remain in production until at least January 2027 Compliance: For a full list of local and regional product approvals, please visit www.raspberrypi.org/compliance