This is my Dell Optiplex 7040 sff sleeper/stream pc that matches my pc at work, except mine has a i7 6700, 32gb of ram, 1050ti (w/dvi port cut off) 500gb m.2 NVME
Original Mainboard For Dell OptiPlex 7040 SFF Desktop Motherboard LGA1151 HD5W2 0HD5W2 CN-0HD5W2 100% Tested OK - AliExpress