This memory card can be used to back up game saves, store Virtual console games and transport data from one wii to another!. Definitely useful if you like downloading from the VC. Another good point is on games such as excite truck, you can import music off the memory card! As it is an official wii branded product it also wouldn't void or mess up any warranty if anything did go wrong, a usefull addition!
**Remember this price is good for Wii Console owners**