1. CM4 socket: Suitable for all variants of Compute Module 4
2. Ethernet: Dual Gigabit Ethernet RJ45
3. USB: USB 3.2 Gen1 x 3
4. PIN header: 40PIN GPIO header x 1
5. HD media interface: HD-MI x 2, supports 4K 30fps output
6. DSI display: MIPI DSI display port x 1, 15pin 1.0mm FPC connector
7. CSI camera: MIPI CSI-2 camera port x 2, 15pin 1.0mm FPC connector
8. Power input: 7V-36V
9. FAN: 5V/12V, allows speed adjustment and measurement
10. RTC: Real-time clock with battery socket and ability to wake Compute Module 4
11. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
