For me: For my WII U i used a 64gb sd card but i upgraded to a 128gb sd card, For my 3DS I use the 64gb sd card.

128gb on 3ds.

32GB for Wii U and 64GB for 2DS XL

I use a 128 gb sd card for my 3ds

32gb for 3ds so far but looking to upgrade to 64gb eventually

128 gigs on my wii u and 32 gigs on my 3ds

128gb on 3ds and 128gb on Wii U

I use two 128 GB SD cards. One for my 3DS XL, and one for my Wii U.

128 GB on my 3ds!! got a ton of games on here

32gb SD for my Wii U. specially since you can mod both Wii U and vWii.

64 gig

on my wii u it was 64gb but now its 32gb. on 3ds it is 64gb

A 34gb sd card for my 3ds

64 GB for my Wii U

On my 3DS, I currently have a 128 GB MicroSD Card

32GB wiiu. When I homebrew my 3ds, I miiight get a 64GB or 128.

32gb for wii u. factory sd card for new 3DS XL

16gb for my 2ds i need to buy a bigger one fr

64 gb sd card and a 64 gb usb, but im going to upgrade to 2 tb usb

512 on 3ds

64gb microsd in an adapter for my 3ds xl, dunno about wii u though

I have a 128 GB for my 3ds and another 128 GB for when I get a Wii U