
How Many cameras Can I use on the Raspberry Pi CM4?
The Raspberry Pi Compute Module 4 is capable of connecting 2 CSI camera module, and on the official Raspberry Pi CM4 IO board, two camera interfaces are exposed:
- 1 × 2-lane MIPI CSI display port
- 1 × 4-lane MIPI CSI display port

What Camera Can I use with the Raspberry Pi Compute Module 4?
According to the official Raspberry Pi website:
Camera sensors supported by the official Raspberry Pi firmware are: the OmniVision OV5647, Sony IMX219 and Sony IMX477, no security device is required on Compute Module devices to use these camera sensors.
Raspberry Pi
Therefore, all the OV5647/IMX219/IMX477 cameras that work on regular Raspberry Pi models (as well as Jetson Nano!) will all work on the Raspberry Pi CM4. Arducam Pi camera modules are your perfect option for the Compute Module 4.
How much does a Raspberry Pi Compute Module 4 cost?
More about Raspberry Pi CM4
Here are the official videos from the Raspberry Pi foundation: