Amazon.com: Gamecube HDMI Adapter Lead for The Nintendo Gamecube Running GCVideo Software. Supports 2X Line-Doubling and Includes Remote Control. A Simple Plug & Play Gamecube Adapter Solution by Kaico : Video Games
Super Nintendo N64 Gamecube Rad2x Cable | Av Cable Nintendo Gamecube N64 - 1.8m /6ft - Aliexpress
av:gamecube_rgb [NFG Games + GameSX]
Amazon.com: Nintendo GameCube Component Video Cable : Video Games
AV RCA Cable for Nintendo Super Nintendo SNES GameCube N64 Nintendo 64 by Mars Devices - Walmart.com
Gamecube D-Terminal Cable with Component Adapter - RetroAsia