Gaming laptop outputs 4k 120HZ on HDMI 2.0...HOW?! : r/GamingLaptops
Startech .com 9.8ft (3m) USB C to HDMI Cable 4K 60Hz with HDR10, Ultra HD USB Type-C to HDMI 2.0b Video Adapter Cable, DP 1.4 Alt Mode HBR3 -... CDP2HDMM3MH - Corporate Armor
What Is HDMI 2.0b?
HDMI 2.0: What you need to know - CNET
StarTech.com USB C to HDMI Adapter 4K 60Hz, USB-C to HDMI 2.0b Converter, USB Type C to HDMI Monitor Video Dongle - USBC-HDMI-CDP2HD4K60 - Monitor Cables & Adapters - CDW.com