IFG High Speed Memory Cards for Nintendo Gamecube/Wii 4MB = 59 blocks of storage 8MB = 123 blocks of storage 16MB = 251 blocks of storage Save all your high scores and progress for all your games with an expanded capacity memory card | Essential accessory is compatible with all GameCube games with save game support Compatible with Nintendo GameCube or Wii consoles only | Please Note: Only Wii consoles with model number RVL-001 are compatible with GameCube memory cards Backed by our 100% satisfaction guarantee.  Please don't hesitate to contact us with any questions or concerns.