Amazon.com: 8K HDMI 2.1 Cable, 48Gbps Ultra HD Lead High-Speed Cord, Supports 8K@60HZ, 4K@120Hz, eARC HDR10, HDCP 2.2/2.3 Dolby, 3D, VRR, Compatible with Fire TV/Roku TV/PS5/Xbox/Nintendo Switch and More (2.5 ft) :
List: 4K TVs and 8K TVs with HDMI 2.1 - FlatpanelsHD
The Ten Best Black Friday 4K TV Deals for Next-Gen PS5, Xbox Series X, and RTX 3080 PC Gaming (OLED, HDR, 120Hz, HDMI 2.1) - IGN
HDMI 2.1 Cable 6ft 8K@60Hz 4K@120Hz 48Gbps Ultra High Speed eARC, HDR10+ Male Lead Compatible with 4K TV 8K TVPS4 PS5 Switch Monitor Blu-ray Soundbar DVD Laptop : Electronics
Hisense QLED 55-inch 120Hz Android 4K Smart TV with HDMI 2.1 hits Amazon low at $600 - 9to5Toys