Amazon.com: 8K Fiber HDMI Cable 50ft, FURUI Fiber Optic HDMI 2.1 Cable [8K@60Hz,4K@120Hz], 48Gbps, Dynamic HDR, eARC, BT.2020 Compatible with RTX 3080/3090 Xbox Series X PS5 Denon AV Receiver LG Samsung Sony
HDMI 2.1: The Basics. And, Who Needs It Today - A Rant - Projector Reviews