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Main image of WISDUM Power Over Ethernet HAT (B) for Raspberry Pi 3 Model B+ / Raspberry Pi 4 Model B, PoE HAT Board with 0.91" OLED and Cooling Fan, Support 802.3af PoE Network Power-Sourcing Equipment Required

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WISDUM Power Over Ethernet HAT (B) for Raspberry Pi 3 Model B+ / Raspberry Pi 4 Model B, PoE HAT Board with 0.91" OLED and Cooling Fan, Support 802.3af PoE Network Power-Sourcing Equipment Required

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Power Over Ethernet HAT POE HAT (B) for Raspberry Pi 4B/3B+,Standard Raspberry Pi 40PIN GPIO Stackable Header, Allows Connecting Other HATs Support 802.3af PoE Network,802.3af Power-Sourcing Equipment Required Integrates PCF8574 IO expander for I2C bus, providing pin P0 for directly fan control, and more spare IO pins 0.91" OLED, for monitoring processor temperature, IP address, and fan status in real-time; Onboard cooling fan, allows auto running on powerup OR programmable control, configured by switch Cooling fan: Allows auto running on powerup OR programmable control, configured by switch. Automatically turn on/off depending on the Raspberry Pi processor temperature

Overview

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Power Over Ethernet HAT POE HAT (B) for Raspberry Pi 4B/3B+, Standard Raspberry Pi 40PIN GPIO Stackable Header, Allows Connecting Other HATs Support 802.3 af PoE Network, 802.3 af Power-Sourcing Equipment Required Integrates PCF8574 IO expander for I2C bus, providing pin P0 for directly fan control, and more spare IO pins 0.91" OLED, for monitoring processor temperature, IP address, and fan status in real-time; Onboard cooling fan, allows auto running on powerup OR programmable control, configured by switch
Cooling fan: Allows auto running on powerup OR programmable control, configured by switch. Automatically turn on/off depending on the Raspberry Pi processor temperature

Additional Information
First Listed on Newegg	August 10, 2026

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Item#: 9SIC5ZAM483759