[quote name='CheapLikeAFox']Well the Wii has internal memory if thats what you mean
but if you want to download games from nintendo store and so forth you'll need one[/QUOTE]
But you can't play games off the card, and according to the article I mentioned (but can't relocate) If you need to delete a VC game to make room for another one, it's faster to download the game again,which is free, than it is to transfer it to the SD card and back.