POTW motherboard variant as published; source does not define POTW. Match original. Substitute SKU EP2-72970. 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 (POTW)" / VFI-00002 (ASP/FRU). Substitute SKU EP2-72970. (via MM-LOOP-005).