Comment by AnthonyMouse

It wasn't too quick and early for Dell and Lenovo to adopt.

It's the new thing. All three of the DRAM manufacturers intend to produce it:

https://www.digitimes.com/news/a20240916PD207/samsung-lpcamm...

And it's called "CAMM2" because it's not even the first version. Apple could have been working with the other OEMs on this since 2022 and been among the first to adopt it instead of the last:

https://www.techpowerup.com/294240/dells-ddr5-camm-appears-i...