Board Thread:Questions and Answers/@comment-24191375-20150705192552/@comment-24739388-20150705211447

I wouldn't count on it. If you're worried about SD Card space, just buy a bigger one. the 3DS should accept monstrous cards like 64GB if you absolutely need that much.

I recently upgraded to a 16GB, and that was honestly a bit excessive for me. But it depends on the person, I guess. Many people usually just go straight for 32GB, but they usually have a lot of digital games (I prefer physical whenever possible).