The only type of SD card that works on a Nintendo Switch is a microSD card, which is smaller than a normal SD card.
How to Use a Micro SD Card on The Nintendo Switch!! (Simple Tutorial)
Technical Specs - Nintendo Switch™ - System hardware, console specs - Nintendo - Official Site
The best Micro SD cards for Nintendo Switch 2024
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SanDisk 256GB microSDXC™ card for Nintendo Switch™ is, Nintendo® licensed memory card to provide dependable, high-performance storage. The SanDisk
SanDisk 256GB microSDXC Memory Card, Licensed for Nintendo Switch
Expand your Nintendo Switch gaming library with the SanDisk MicroSD 128GB UHS-I Fortnite Edition Memory Card. Store and access your favorite games,
SanDisk MicroSD 128GB UHS-I Fortnite Edition Memory Card Works with Nintendo Switch, Switch OLED, Switch Lite (SDSQXAO-128G-GN6ZG) Bundle with (1)
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The officially-licensed SanDisk microSDXC card for the Nintendo Switch provides dependable, high-performance storage for your console. Add up to 512GB1 of capacity, so you can keep your favorite titles on a single card.
SanDisk microSDXC Card for Nintendo Switch - 128gb, Black
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A Full Guide To MicroSD Cards On The Nintendo Switch, 43% OFF
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Technical Specs - Nintendo Switch™ - System hardware, console specs - Nintendo - Official Site