$87^.65

Free 30-day Returns

This product is available from Newegg.

Limit 99999 per customer.

Sold by 3C Expert

Top Rated

4.6 (17,933 seller ratings)

Shipped by 3C Expert

Price alert

Add to Wish List

Best Sellers

BioStar

Top Rated

4.8 (142 total ratings)

$73^.95
+ FREE SHIPPING

Newegg

$74^.99
+ FREE SHIPPING

NothingButSavings

Top Rated

4.5 (9,010 total ratings)

$87^.71

Meet Your Seller

3C Expert

See Seller Store

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

Shop All SanDisk Products | Visit 3C Expert Store

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

Be the first to review this product...

Capacity: 256GB

128GB
256GB
512GB

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

Overview

Specs

Reviews

See all Q & A

Any questions? Our AI mode will help you find out quickly.

Try me now

Extreme Pro PCIe 256GB MicroSD

Best Seller Ranking	#41 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 25, 2025

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
Read full details
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by 3C Expert Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Best Sellers

Meet Your Seller

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#: 9SIA12KKK49244

Best Sellers

Meet Your Seller

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