HDMI 2.1 benefits in a 1440p monitor? : r/Monitors
HDMI 1.4b max refresh rate (2560 x 1080) - Displays - Linus Tech Tips
Does HDMI 2.0 support a 3440x1440 resolution at 100Hz with HDR enabled simultaneously? If not, what is the oldest model of GPU (& cheapest) that supports HDMI 2.1 connections (and 2.1 speeds)? - Quora