Does HDMI 2.1 work with HDMI 2.0 ports on TV? - Quora
HDMI - Wikipedia
4K HDMI Cable HDMI Version 2.0, 4K*2K Full HD Supports 3D Pure Copper Conductor 60fps for Splitter Switch TV LCD Laptop PS3 Projector Cable - China High Speed HDMI Cable and HDMI
HDMI 2.1 vs 2.0 - What is the Difference? [2020 Update] - Colorfy