"Wallossek [of Igor's Lab] managed to get his hands on a complete OEM system with the original DG1 SDV (Software Development Vehicle). In order to protect his sources, Igor only shared the basic specifications of the system, which includes a Core i7 non-K processor and a Z390 mini-ITX motherboard."
https://www.tomshardware.com/news/intel-dg1-gpu-teardown-and-first-failed-benchmarks
https://www.tomshardware.com/news/intel-dg1-gpu-teardown-and-first-failed-benchmarks