On October 14, 2021 at 14:09, rlustig said...
I think HDMI 3 and 4 are 2.1 and do VRR and 4k120
Sorry you are correct. I didn’t explain myself correctly. One of the 2.1 ports is the eARC port which gets used by the sound bar, leaving only one additional 2.1 port for use with sources.