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The Raspberry Pi Compute Module 4 has eMMC.

Jeff Geerling benchmarked it and found it faster than his fastest SD card: https://www.jeffgeerling.com/blog/2020/raspberry-pi-compute-...

It's definitely not NVMe fast, but it's perfect for average workloads.

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Weird. So the processor has an eMMC controller but they left that out on the datasheet.

The publicly-available datasheets for the SoC in the Pi are incredibly, and as far as I can tell intentionally, incomplete. The SD card controller is just one of the things lacking public documentaiton.

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