Isn't unified memory* a crucial part in avoiding signal integrity problems?
Servers do have many channels but they run relatively slower memory
* Specifically, it being on-die
Servers do have many channels but they run relatively slower memory
* Specifically, it being on-die
Also, DRAM is never on-die. On-package, yes, for Apple's SoCs and various other products throughout the industry, but DRAM manufacturing happens in entirely different fabs than those used for logic chips.