These are monolithic files that mimic a real 8MB card. They have the highest compatibility with all games and the PS2 BIOS.
: You can export individual saves to .psu or .max formats to keep them separate from the memory card file for safety or sharing. Comparison of Card Types Standard File (.ps2) Folder Memory Card Capacity Fixed (8MB–64MB) Infinite (PC Drive Space) Compatibility High (some exceptions) Management Requires MyMC Standard File Explorer BIOS Support Limited/None memory card save file for pcsx2 ps2 better