Review: Samsung Q80T (QE55Q80T) | Record Low Delay
Monoprice 8K Certified Braided Ultra High Speed HDMI 2.1 Cable - 15 Feet - Black | 48Gbps, Compatible with Sony PS 5, PS 5 Digital Edition, Xbox Series X, and Xbox Series S 142684 : Amazon.ca: Electronics
HDMI 2.1 overview: Which TVs from 2019 have which HDMI 2.1 features? – Homecinema Magazine
Samsung Q90r hdmi 4 port confirmed 4k 120hz (I have q80r will confirm later when delivery arrives) : r/xboxone