XV273K cannot use RGB and Full range colors

DarkOnyxSwe
DarkOnyxSwe Member Posts: 2 New User
edited February 16 in 2019 Archives
I recently got a new monitor (XV273K) for my setup of three other monitors. I have my other three monitors hooked up using DP, DP and HDMI (those are 1680x1050@60Hz, 1920x1200@60Hz and 1920x1200@60Hz respectively).
For my XV273K I use it with one of the included DP-cables, running it 3840x2160@120Hz, 8-bit color (because 4k@144hz and 10bit color needs dual DP-cables).
Here's my problem... in NVIDIA control panel I can only choose "YCbCr422" (instead of RGB) along with "Limited" (instead of "Full") and have no option in the drop down menus to change them. In single DP-mode the display should be capable to display 4k@120Hz with full RGB colors, why cannot I choose that?
I have a GTX 1080ti and it should support up to four displays? Is there hidden limit I'm not aware of? Or is the monitor faulty?
Thanks a lot in advance!

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