Three models of the Wii console have been released:

Model Number RVL-001

• Released in November 2006.
• Serial number prefix is "LU" or "LB."

Model Number RVL-101:

• Released in October 2011.
• Serial number prefix is "KU" or "KB."
• Has the same look, feel and function as model RVL-001, with the following exceptions:
  • Designed to sit horizontally rather than vertically.
  • The Nintendo GameCube controller sockets and memory card slots have been removed.
  • The system is not compatible with Nintendo GameCube game discs or accessories.
  • The system does not support Wii titles or accessories that require the use of the Nintendo GameCube controller ports. Because they require Nintendo GameCube controller ports to work, the following Wii titles are not compatible with model RVL-101:
    • Active Life: Explorer
    • Active Life: Extreme Challenge
    • Active Life: Magical Carnival
    • Active Life: Outdoor Challenge
    • Ultimate Party Challenge
    The following titles will have limited functionality when used with model RVL-101:
    • Dance Dance Revolution
    • DanceDanceRevolution II
    • Dance Dance Revolution: Disney Grooves
    • DanceDanceRevolution Hottest Party
    • DanceDanceRevolution Hottest Party 2
    • DanceDanceRevolution Hottest Party 3
    • Walk It Out

Wii mini: Model Number RVL-201:

• Serial number prefix is "HW."
• Designed to sit horizontally rather than vertically.
• Does not support online functionality.
• Has a single USB port.
• Does not support the use of an SD Card.
• Does not include Nintendo GameCube controller sockets and memory card slots.
• Is not compatible with Nintendo GameCube game discs or accessories.
• Does not support Wii titles or accessories that require the use of the Nintendo GameCube controller ports (see list of titles above for support limitations).