I think it would be enough for the Pro to just be the same as the highest spec of the next generation Mac Studio, in a form factor that has PCIe and RAM slots.

I think it would be enough for the Pro to just be the same as the highest spec of the next generation Mac Studio, in a form factor that has PCIe and RAM slots. (I wonder if they could do some kind of memory hierarchy where you have, say, 32GB of the on-board unified memory soldered on to the processor like they have now, and then another eight slots or something of regular DDR5 sticks).