Onboard standard CM4 connector, support access to CM4 Lite / eMMc series boards with Quad Core Cortex A72 64-bit processor, more powerful performance Easily compatible with the interfaces of Raspberry Pi 4B board Onboard 4-ch USB 3.0 ports, compatible with USB 2.0 / 1.1 transmission Onboard RJ45 Gigabit Ethernet port, 10 / 100 / 1000 M adaptive Onboard PoE header, for connecting PoE HATs