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
For DELL Optiplex 7040 SFF Desktop Motherboard Mainboard 100%tested fully work - Newegg.com