Is the SanDisk 256GB microSDXC card officially licensed for the Nintendo Switch?

Yes, it is an officially-licensed memory card for the Nintendo Switch.

What is the read and write speed of the SanDisk 256GB microSDXC for Nintendo Switch?

The read speed is up to 100MB/s and the write speed is up to 90MB/s.

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SanDisk 256GB microSDXC UHS-I for Nintendo Switch, Speed Up to 100MB/s (SDSQXAO-256G-GNCZN)

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Designed, tested and approved for the Nintendo Switch game system
Read speeds up to 100MB/s and write speeds up to 90MB/s
A single card to store multiple games, screenshots and videos

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Best Seller Ranking	#13 in Memory Cards

Model
Brand	SanDisk
Model	SDSQXAO-256G-GNCZN
Type	microSDXC

Details
Capacity	256GB
Speed Class Rating	UHS-I
Read Speed	Up to 100MB/s
Write Speed	Up to 90MB/s

Features
Features	Officially-licensed memory card for the Nintendo Switch Instantly add up to 256GB of additional space Load games faster with transfer rates up to 100MB/s Store your games and additional content in one place

Additional Information
First Listed on Newegg	July 09, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Vibe Pro Official Store Return Policy

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SanDisk 256GB microSDXC UHS-I for Nintendo Switch, Speed Up to 100MB/s (SDSQXAO-256G-GNCZN)

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Item#: 9SIC7TGM125955

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SanDisk 256GB microSDXC UHS-I for Nintendo Switch, Speed Up to 100MB/s (SDSQXAO-256G-GNCZN)

Learn more about the SanDisk SDSQXAO-256G-GNCZN

Customer Reviews of the SanDisk SDSQXAO-256G-GNCZN

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info