Equip HDMI 2.1 8K/60Hz 4K/120Hz Cable 5 m Black | Techinn
Amazon.com: CABLEDECONN HDMI 2.1 Ultra 8K HD Bi-Directional Switch 8K@60Hz 4K@120Hz 1in 2out 2in 1out High Speed 48Gbps Splitter(Singal Display) Converter with One 8K HDMI Cable Compatible with Xbox X PS5 :
HDMI 2.1: What You Need to Know | PCMag
What is HDMI 2.1a and what new features does it bring?