The only type of SD card that works on a Nintendo Switch is a microSD card, which is smaller than a normal SD card.
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SanDisk MicroSD 128GB UHS-I Fortnite Edition Memory Card Works with Nintendo Switch, Switch OLED, Switch Lite (SDSQXAO-128G-GN6ZG) Bundle with (1)
Choosing a microSD Card for Your Nintendo Switch - Kingston Technology
SanDisk 128GB Nintendo Switch Micro SD Card for The Switch, Switch OLED and Switch Lite Memory Card 128 GB High Speed (SDSQXAO-128G-GNCZN) Bundle with (1) Everything But Stromboli MicroSD Card Reader
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SanDisk 128GB Nintendo Switch Micro SD Card for The Switch, Switch OLED and Switch Lite Memory Card 128 GB High Speed (SDSQXAO-128G-GNCZN) Bundle with (1) Everything But Stromboli MicroSD Card Reader
A Full Guide to MicroSD Cards on the Nintendo Switch
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