Users have run various gpu higher than 1650S in G5 5000. including 1660S, 1660ti, rtx2000 or 3000 series. All depends on your budget and need.[URL]
I have a dell G5 5000 and I had heard of people having trouble upgrading graphics cards, I'm not much of a pc builder person so I was just wondering if there was a graphics card better than the 1650 super I have now that is just at the boundary that itll work for my pc. I have an i-5 10400F CPU and 16 gb of ram  
Dell G5 5000 graphics upgrade