ROM cartridge - Wikipedia

Atari 2600 - Wikipedia

Atari 8-bit family - Wikipedia

File:Neo-Geo-AES-Cartridge-Bottom.jpg - Wikipedia

Final Cartridge 3 - C64-Wiki

Unreleased: Playstation SNES-CD - Retro Gaming Forum - Neoseeker Forums

Dendy (console) - Wikipedia

File:Vector06c External ROM Cartridge.JPG - Wikipedia

Famicom Disk System - Wikipedia

Retrode - Wikipedia

Read-only memory - Wikipedia

If those video game files are called 'ROMs' (read-only memory), then how can you save to the game cartridges? - Quora

Nintendo video game consoles - Wikipedia

Super Nintendo Entertainment System Game Pak - Wikipedia