Also, there’s a tension between the tightly integrated M1 Ultra and the expandability implied by the Mac Pro in its classic form (which the 2019 model revived).

Also, there’s a tension between the tightly integrated M1 Ultra and the expandability implied by the Mac Pro in its classic form (which the 2019 model revived). It almost seems like they need to go multi-socket with NUMA to scale CPU and memory further. This presents a very different programming model than the shared everything model of the Mac Studio.