853
The HDMI Forum rejected AMD's open source HDMI 2.1 implementation
(www.gamingonlinux.com)
This is a most excellent place for technology news and articles.
4.5 × 240 × 3840 × 2160 ≈ 9 GB/s
It seems markdown formatting ruined your numbers because of the asterisks. Whatever is written between two of those turns italic, so they're not ideal for multiplication symbols here on Lemmy (or any other place that implements markdown formatting).