Processor & Memory

• CPU: Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz
• RAM: 1GB LPDDR2 SDRAM

Connectivity

• Wi-Fi: Dual-band 2.4GHz and 5GHz IEEE 802.11.b/g/n/ac
• Bluetooth: 4.2, BLE
• Ethernet: Gigabit Ethernet over USB 2.0 (max throughput ~300 Mbps)

Ports & Interfaces

• USB: 4 × USB 2.0 ports
• HDMI: 1 × full-size HDMI
• Audio/Video: 4-pole stereo output and composite video port
• Camera: MIPI CSI camera port
• Display: MIPI DSI display port
• GPIO: 40-pin extended header

Storage & Power

• Storage: MicroSD slot for OS and data
• Power: 5V/2.5A via micro USB or GPIO header
• PoE: Supported via separate PoE HAT

Physical & Environmental

• Form factor: Same footprint as Pi 2 and Pi 3 (85.6mm × 56.5mm)
• Operating temp: 0°C to 50°C
• MTBF: ~378,000 hours