Several PC users have reported that after connecting their laptop to an external monitor, installing a new Windows update, or installing a new graphics card on their Windows 11 or Windows 10 computer, ...
1920x1080@480Hz is the logical limit considering it's the same bandwidth as 3840x2160@120Hz (4k) which is the limit of a DP1.4 cable. I expect they'll try to push the technology further when HDMI 2.1 ...