Research Power supply and connector to motherboard. cannot upgrade like before. - h57h
I thought so as well but the 8940 box I picked up in December has the same power supply as the model listed above, and the one in this PC mag review, and seems to fare well with the GeForce RTX 3070:
Comments & Reviews (3)
https://www.pcmag.com/reviews/dell-xps-desktop-special-edition-8940
I'm not a gamer though and have no plans to replace the PSU.
Thank you!