What kind of cable looks like HDMI but has only one slanted edge? - Super User
Tripp Lite High-Speed Armored HDMI Fiber Active Optical Cable (AOC) - 4K @ 60 Hz, HDR, 4:4:4, M/M, Black, 20 m - HDMI - P568FA-20M - Audio & Video Cables - CDW.com
Amazon.com: uni USB C to HDMI Cable for Home Office 6ft (4K@60Hz), USB Type C to HDMI Cable, Thunderbolt 4/3 Compatible with MacBook Pro 2021/2020, MacBook Air, iPad Pro 2021, Surface Book