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Main image of SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 2 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 3 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 4 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 5 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 6 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 7 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 8 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 9 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 10 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 11 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 12 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 13 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 14 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 15 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 16 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Alt view image 17 of 17 - SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

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SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

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Capacity: 256GB

512GB Mario Flower
128GB
256GB
512GB
1TB

Read Speed 880mb/s
Write Speed 650mb/s
MicroSD Express for Nintendo Switch 2
256GB

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Extreme Pro PCIe 256GB MicroSD

Best Seller Ranking	#14 in Memory Cards

Model
Brand	SanDisk
Card type	Micro SD
Series	Micro SD Express
Model	SDSQXFN-256G-GN4NN
Part Number	SDSQXFN-256G-GN4NN
Type	microSDXC

Details
Capacity	256GB
Speed Class Rating	MicroSD Express
Read Speed	880mb/s
Write Speed	650mb/s

Additional Information
First Listed on Newegg	August 27, 2025

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): Lifetime
Limited Warranty period (labor): Lifetime
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Return for refund within: 30 days
Return for replacement within: 30 days
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Best Sellers

SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Learn more about the SanDisk SDSQXFN-256G-GN4NN

Customer Reviews of the SanDisk SDSQXFN-256G-GN4NN

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 0DF-0005-01VX0

Best Sellers

SANDISK 256GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 210MB/s Sustained Write, U3, C10 - SDSQXFN-256G-GN4NN

Learn more about the SanDisk SDSQXFN-256G-GN4NN

Customer Reviews of the SanDisk SDSQXFN-256G-GN4NN

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info