Ah, so now we have a number of graphics card suggestion. so who's going to tell me the 'best'?
P400
RX570
GTX1050
WX3100
Looks like the 1st and last both have the lowest power consumption. This is good in my book, as its a small case. I wont be gaming at all, but will be looking at connect 2 x 4k's.
So which should I pick?
the only real reason i selected the WX3100 wasnt because it be a good card choice for professional work stations, but because its a single slot given the chosen case i selected, the case would be like standing an xbox one on its side just cube like, so its small enough for moving about, mean you can get a single slot 1070, but who knows how much that costs. the only other choice i saw for single slot was a gt 1030, but id suspect that would struggle with 4k if it was more than just displaying desktop/everything on the screen.
i own an rx 570, i have also owned a 1050ti, i find my 570 better like it should be, so it would be better than a normal 1050 more so, i guess it would boil down to what you need the card to do and how it can execute the task, some cards might not support what you need.