The Switch 2 requires newer, faster microSD Express cards—the old SD cards you used with the original Switch won't work. Here's why, and some advice on which Express card to buy.

Apple’s 2021 MacBook Pro brought back the SD card slot after many years, but some users are finding it throws up error messages and can’t read their cards.

Unfortunately, this also means you'll need a new SD Express card for the Switch 2. If you're not familiar with this particular type of card or why it matters, let's break it down.