What Does It Mean When Gear is Marketed as HDMI 2.1 Product?

what it means when manufacturers claim their product is an “HDMI 2.1” product, and what HDMI® 2.1 features are supported.

2 Port 8K HDMI 2.1 KVM Switch 4K USB-C HDCP for PS4/5 HDTV PC

Belkin UltraHD High Speed 8K HDMI 2.1 Cable for Apple TV

HDMI 2.1: What You Need to Know

Do You Know The Benefit For Ultra Slim HDMI cable and What is the

A DEFINITIVE GUIDE TO HDMI® 2.1A – AVPro Edge

Monoprice SlimRun AV 8K Certified Ultra High Speed Active HDMI

The Label Says HDMI 2.1 But That Doesn't Mean You'll Get It

HDMI 2.1 specs and features: Everything you need to know

HDMI 2.1 vs DisplayPort 1.4: What's the Difference

HDMI Cables at Crutchfield

What is HDMI 2.1 and Do You Need It? - Newegg Insider