Even HDMI cables are getting exciting with fiber optic, but least useful. Something that cost 10x more than a usual 2.0 4k HDMI cable with RBG lighting. I would rather see more improvement in razer peripherals than going broad stroke. Be the best in what you are doing....

See below for key differences and what you actually need.

https://www.benq.com/en-sg/knowledge-center/knowledge/what-hdmi-cable-do-i-need-for-4k-8k-content.html