1. CM4 socket: For all variants of Compute Module 4
2. Networking: Gigabit Ethernet RJ45 connector
3. Connector: M.2 M KEY, support communication module or NVME SSD
4. USB: USB 2.0 Type A × Type 2
5. Display: LCD port
6. Camera: MIPI CSI-2 camera port × 2
7. Video: HDMI port, support 4K 30fps output
8. Fan header: allow speed adjustment, 5V
9. Power input: 5V