What is HDMI 2.1a?

There's ANOTHER Version of HDMI

Ultra High Speed HDMI® Cable - HDMI Forum

8K fiber optic HDMI 2.1 Cables with The latest Active Chipped, support the all HDMI devices like PC, TV models, Game consoles, Projectors, Speakers.

Ablink 8K HDMI 2.1 Cable 100ft, Fiber Optic HDMI Cable, with 48Gbps Bandwidth for HDR HDCP2.3 eARC 8K60Hz, 4K 120Hz Compatible with PS5,LG C9,RTX

HDMI 2.1a: Faster, Efficient and Compatible - Smart Home World Magazine

What's New With HDMI 2.1a; Features and Release Dates - Dignited

HDMI 2.1a Specifications Updated to Include Cable Power Option

HDMI 2.0 vs 2.1: Which Cable Should You Buy? - The Plug - HelloTech

HDMI 2.1 Hybrid AOC, Type A to Type A, 48Gbps 8K60Hz

HDMI 2.1a is a confusing new spec arriving at CES 2022

HDMI 2.1: what the new cable standard means for your TV

HDMI 2.1a Specifications Updated to Include Cable Power Option

HDMI 2.1a standard to launch at CES 2022, what you need to know about the new HDMI standard

Ultra High Speed HDMI Cable Certified with Hologram Sticker, Up to 48-Gbps uncompressed data bandwidth, Support ultra-high-definition resolutions,

Pure Fi HDMI 2.1a 8K Active Optical Cable