Amazon.com: VIZIO 40-Inch V-Series - 4K UHD LED HDR Smart TV with Apple AirPlay and Chromecast Built-in, Dolby Vision, HDR10+, HDMI 2.1, Auto Game Mode and Low Latency Gaming (V405-H69, 2020) :
LG's 2020 4K OLED And LCD TVs Don't Support Full 48Gbps HDMI 2.1
Some 2020 LG TVs have less than full-speed HDMI 2.1 ports, and apparently that's okay - NotebookCheck.net News
What is HDMI 2.1? An Overview - RTINGS.com
Samsung's 2020 4K QLED TVs to come with HDMI 2.1 | TechRadar
List: 4K TVs and 8K TVs with HDMI 2.1 - FlatpanelsHD
ASUS ROG announces world's first HDMI 2.1-certified 4K 120Hz gaming monitor - VideoCardz.com
HDMI 2.1 support on 2020 Sony TVs is a mess | by Sohrab Osati | Sony Reconsidered
2020 Best 8K 48Gbps 2.1 HDMI Cables 4K HDMI 2.1 Cable eARC Cabo HDMI 2.1 UHD Dynamic HDR HDMI 2.1 Cable for 8K Samsung QLED TV - AliExpress
Amazon.com: FURUI 8K Fiber HDMI Cable 25ft, 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 - Everything You Need to Know Explained | Audioholics
What is HDMI 2.1? An Overview - RTINGS.com
Vizio's 2020 TV plans: HDMI 2.1, FreeSync, eARC, and—at long last—OLED | Ars Technica
Xbox Series X and PS5 specs: Does HDMI 2.1 require a new 4K TV? - Polygon