[lbourdages]

Maybe they are just for internal use? I doubt Apple is going back on the server market, and given how little they have invested in the Mac Pro, I doubt they are going to make a new version. There is little advantage compared to the Mac Studio for most users. External GPU support would change that, but it doesn't seem to be what they want.

[rbanffy]

Expandable machines are attractive when the future is uncertain. I imagine a server chip would have abundant DDR6 and PCIe lanes. Oddly enough I’m now buying my PCs with all memory slots occupied because of bandwidth. I can still change the sticks for higher capacity, but expansion is a lot less convenient than when memory bandwidth wasn’t something more desirable than raw CPU performance.

I’m not sure if I can measure IPC and cache misse latencies on my machines, but I’m sure latencies are pushing IPC down.