Intel DG2 refers to Arc Alchemist graphics parts using the Xe HPG architecture. The package info and 'MB' suffix suggests the DG2MB might be an SFF, AiO or laptop reference design motherboard.
Intel Arc DG2MB Listing Hints at High-End AIO or NUC Device : Read more
Intel Arc DG2MB Listing Hints at High-End AIO or NUC Device : Read more