Nintendo officially only supports memory cards up to 32GB -- no matter whether you're using SD or microSD cards and which 3DS iteration you own.

Target SD Card: one of the Memory Cards Compatible With 3DS, such as a 32GB SD Card. For New 3DS, check MicroSD Cards Compatible With New Nintendo 3DS.

The best card for fuel usually isn't a branded gas station card. It's a general-purpose card that pays bonus rewards on gas and other categories.

Chase issues some of the top travel credit cards that earn airline miles, hotel points and flexible travel rewards.