When Do I Really Need HDMI 2.1 or Is HDMI 2.0 Enough?

HDMI eARC Dolby Atmos Cable. Designed for the latest audio technology, this eARC HDMI Cable spans 6.6 feet and is fully compatible with ARC function. Unlock the potential of your entertainment system with up to 32 audio channels and 24-bit depth audio transfer, delivering a maximum rate of approximately 48Gbps.

Pacroban 8K HDMI 2.1 Cable (6ft) Supports 48Gbps Ultra High Speed, 10K 8K 5K 4K at 120Hz 60HZ, Dynamic HDR & Dolby Atmos

HDMI 2.1: What's New, and Do You Need to Upgrade

Some HDMI 2.1 devices are actually HDMI 2.0 thanks to confusing licensing and certifications - GameRevolution

What HDMI cable does PlayStation and Xbox need? HDMI Cables for Connecting PS4, PS4 Pro, and PS5 to Gaming Projectors in 2023

iBirdie 4K HDMI Fiber Optic Cable 30 Feet HDMI 2.0 18Gbps 4K 60Hz (4:4:4 RGB HDR10 ARC HDCP2.2) 1440p 144Hz 120Hz, 1080p 240Hz High Speed Ultra HD Directional Active Cord : Electronics

HDMI 2.0 vs 2.1: Facts to Know Before Paying Your Money

HDMI 2.1: Why It Matters for PCs and TVs in 2021

HDMI 2.1a announced, making yet another 'standard' messier - 9to5Mac

HDMI 2.1: What you need to know - CNET