Before adding more space, clean up the existing card:
This is a full, ready-to-use memory card save for running on the PCSX2 PlayStation 2 emulator. The save includes all characters, stages, customization items, movies, and gallery content unlocked. tekken 5 pcsx2 memory card full
If you want to keep your current card but delete old saves from other games: In PCSX2, go to System > No Disc (or "Start BIOS"). Navigate to the Browser and select your memory card. Before adding more space, clean up the existing