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
What is the physical difference between HDMI 2.0 and 2.1? How can I tell which is which by looking at them? - Quora
![SOLVED: What Are The Differences Between HDMI 1.0 1.4 2.0 2.0a 2.0b & HDMI 2.1 | Up & Running Technologies, Tech How To's SOLVED: What Are The Differences Between HDMI 1.0 1.4 2.0 2.0a 2.0b & HDMI 2.1 | Up & Running Technologies, Tech How To's](https://www.urtech.ca/wp-content/uploads/2018/09/hdmi-connectors-type-a-b-c-d-e.jpg)