I got a new MacBook Pro recently. Sure seemed expensive to get more RAM. But actually I don't know enough about the chip - it's an M5 system on a chip - is Appl

I got a new MacBook Pro recently. Sure seemed expensive to get more RAM. But actually I don't know enough about the chip - it's an M5 system on a chip - is Apple ultimately buying the RAM parts of that from the suppliers AI is overwhelming, or do they "make the RAM with the rest of the chip" in some way?