HDMI 2.1 low-down: Do you need a new cable?

If you have quality HDMI cables, they'll likely pass muster for the new HDMI 2.1 standard, as might some of your gear.

Ultra high speed HDMI 2.1 spec released, with a new cable to boot

Anyone used the officially licensed hdmi cable? Better than the one that comes with the ps5? : r/playstation

HDMI 2.1b Specification Overview

HDMI 2.1: what it is and why your next TV should have it

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

HDMI 2.1 vs. HDMI 2.0: What's the Difference?

Do you need new HDMI cables for HDR? - CNET

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

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