CAC-1085 does not output 4k 120 with RTX 3090 and LG C9 or CX

0 8 hours ago

Connected a new CAC-1085 to the display port in my RTX 3090, connected an 8k rated cable that I know works with hdmi 2.1 and outputs 4k @ 120 on it’s own.  120hz is not a selectable option in the nvidia control panel.  

Thinking maybe its a graphics card bandwidth issue, so I make sure the CAC-1085 and LG C9 is the only monitor connected, still the same thing.  Running latest nvidia drivers from 1/26/21

 
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