The Nintendo Switch uses microSD cards — here's what size you should buy, and how to install it

The only type of SD card that works on a Nintendo Switch is a microSD card, which is smaller than a normal SD card.
Polygon

How to add external storage to Switch 2

Nintendo Switch 2's external storage options are rather limited at launch, as the hardware is only compatible with a specific kind of microSD card. You won't lose any data from your original Switch if ...

How to transfer screenshots from your Nintendo Switch to another device, so that you can edit or share them with others

There are two ways to transfer screenshots off the Nintendo Switch: with a microSD card, or through a Twitter or Facebook account.
IGN

Nintendo Switch 2 Guide

This page contains instructions for how to install an SD card and upgrade your system storage on Nintendo Switch. This process requires a Switch MicroSD Express card, such as the 256GB SanDisk Micro ...

Save a huge $45 on this 1TB Steam Deck microSD card from Samsung, while you can

This 1TB Samsung Pro Plus microSD card is perfect for a handheld gaming PC or console such as the Asus ROG Ally X or Nintendo ...
Hosted on MSN

What Is MicroSD Express, And Why Does the Nintendo Switch 2 Require It?

When Nintendo announced the Nintendo Switch 2 last week, it said that the console only supports expansion through MicroSD Express cards. This is a huge pain for anyone with a collection of existing ...