It's supposed to be MagicGate Supported (it's how you know if it's official), and if you're going to make a NAND backup you'll need a card with at least 66MB, so 128MB minimum.Magoo222 said:Aren't there limitations on the types of memory cards you can use for an MMS? Size, MagicGate, things like that? I might be completely wrong, it's happened before, but what memory card have you got?