In the definition sense? It's a single memory controller on the IO die & one memory domain. The chiplets don't have their own memory controllers. By contrast T

In the definition sense? It's a single memory controller on the IO die & one memory domain. The chiplets don't have their own memory controllers. By contrast Threadipper 1 & 2 had multiple memory controllers. It was 2x dual-channel controllers. As such they were full on real NUMA, just like a multi-processor system.