Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz, 1GB LPDDR2 SDRAM, 2.4GHz and 5GHz IEEE 802.11.b/g/n/ac wireless LAN, Bluetooth 4.2, Gigabit Ethernet over USB 2.0 (maximum throughput 300 Mbps), extended 40-pin GPIO header, full-size HDMI, 4 USB 2.0 ports, CSI camera port for connecting a Raspberry Pi camera, DSI display port for connecting a Raspberry Pi touchscreen display, 4-pole stereo output and composite video port, Micro SD port for loading your operating system and storing data, 5V/2.5A DC power input, Power-over-Ethernet (PoE) support (requires separate PoE HAT).