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Nintendo 3DS Game Card Format & Compatibility

3DS uses Nintendo 3DS Game Cards — rectangular, silver contacts, notch on lower-right.

Compatibility Matrix

SystemPlaysNotes
3DS / 3DS XL / 2DSAll 3DS cardsRegion-locked
New 3DS / New 3DS XL / New 2DS XLAll 3DS cards + "New 3DS exclusive" titlesExclusive carts have notch on lower-left too
DS / DS Lite / DSi / DSi XLDS cards only3DS cards physically blocked

Key Points

  • 3DS cards ≠ DS cards (different shape, voltage, encryption)
  • Region lock: JPN/USA/EUR/CHN/KOR — CFW (Luma3DS) removes it
  • Save data on card (most) or SD (some DLC/updates)
  • Max capacity: 8 GB (later titles)

Buy region-matched. CFW + Luma = region-free + homebrew + backups of owned carts.

Video Game Accessories
Video Game Accessories

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