AetherSX2 supports a variety of disc image formats. Choosing the right one impacts both performance and storage.

: These often come as pre-patched ISOs or via the built-in widescreen patch toggle within AetherSX2, which utilizes internal .pnach data. Performance Tips for Patched Games

Patched emulator uses different save state structure. Fix: Load your last in-game memory card save. Delete old .state files.

When someone says a file for AetherSX2, it usually refers to: