Supports Raspberry Pi 3B+/4B, compatible with the Raspberry Pi official case ^^ PoE (Power Over Ethernet) capabilityIEEE 802.3 af-compliant ^^ Fully isolated switched-mode power supply (SMPS) ^^ Onboard high speed active cooling fan, better heat dissipation ^^ It is possible to provide both network connection and power supply for your Raspberry Pi in only one Ethernet cable.