The GL82CM236 is in interesting PCH choice here - it is a Xeon-capable PCH, supporting the likes of Xeon E3-1575Mv5 (up to 3.9GHz!) and ECC memory. Did you folks see any indications of a ninth and an eighteenth memory chip on the motherboard? If so, there may just be a possibility of a workstation grade Studio, boasting Xeon E3-1500Mv5 processor, ECC memory and a Maxwell-based Quadro GPU. That machine would probably also comes with Windows 10 Enterprise and a 10-year warranty.
Try find out and recognize all the names. :) All those who signed here are pioneers of personal computing and deserves some special remembering.