List: 4K TVs and 8K TVs with HDMI 2.1 - FlatpanelsHD
Amazon.com: 8K HDMI 2.1 Cable 6Feet, 6ft hdmi Cable Ultra High Speed 48Gbps 8K@60Hz 4K@120Hz@144Hz DSC,HD UHD Compatible with Apple TV Roku PS5 Xbox One X/Series X Samsung QLED 8K Q8/Q9 :
Solved: 8K Q900R. One connect box swapping HDMI 2.1 - Samsung Community
Amazon.com: Spigen 8K HDMI Cable 6.6ft 48Gbps Ultra High Speed HDMI 2.1 Certified 8K 60Hz 4K 120Hz Dynamic HDR eARC Dolby Vision HDMI Compatible with MacBook Pro 2021 Apple Roku Fire Samsung
HDMI Forum Demonstrates HDMI 2.1 VRR Capabilities on Samsung TV
Braided 8K HDMI 2.1 Cable Compatible with Samsung QLED TV, Apple TV, LG OLED TV | eBay
Gaming with Samsung Smart TVs using HDMI 2.1 | Samsung Australia