NATZ motherboard variant as published; source does not define NATZ. Match original. Substitute SKU EP2-72971. OEM documentation only; not bench-tested.
Source notes
Microsoft Learn Surface Studio 2+ Device Information and Service Parts (dual ASP/FRU + CRU columns), model 2028. Guide text: "Motherboard (NATZ)" / VFI-00003 (ASP/FRU). Substitute SKU EP2-72971. (via MM-LOOP-005).