Fully supported, I did the same.
I just purchased an Aurora R13 with a 1680 Super. I own an MSI Gaming GeForce RTX 3090. According to sale I can swap out the 1680 for the 3090. I cant talk to tech they say till I get the system. So I am asking here are they correct and will I need any extra cables? Will the power source handle it? I do see in the other pre-built with a 3090 they i\use the same source.
Aurora R13,1680 Super to retail RTX 3090 upgrade