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SANDISK 512GB microSD Express Card - Works with Nintendo-Switch 2… competes with other External Storage products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full External Storage category for alternatives.

SANDISK 512GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 220MB/s Sustained Write, U3, C10 - SDSQXFN-512G-GN4N

Name: SANDISK 512GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 220MB/s Sustained Write, U3, C10
Brand: Unbranded
SKU: B0DTQ35NH6
Price: 149.97 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$149.97

Buy on Amazon — $149.97 Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The SANDISK 512GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 220MB/s Sustained Write, U3, C10 - SDSQXFN-512G-GN4N is a niche pick — read recent reviews before buying in the external storage category, priced around $149.97. Read recent reviews carefully before committing.

Unleash your creative potential and dive into new experiences with SanDisk microSD Express, the next-gen microSD card for those who refuse to settle. Offload your camera roll in record time and transfer a 2-hour HD movie download in less than 3.5 seconds while using SanDisk PRO-READER SD Express Dual Card [1] (sold separately)—up to 4.4 times faster than our fastest microSD UHS-I cards [9]. Start gaming faster and explore virtual worlds that appear more realistic than ever. On top of saving time, create next-level immersive content with a card that supports faster burst and sustained…

SpecPicks Verdict

SpecPicks classifies SANDISK 512GB microSD Express Card - Works with Nintendo-Switch 2… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ NEXT GEN GAMING: Works with Nintendo Switch 2.
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

NEXT GEN GAMING: Works with Nintendo Switch 2.
READY FOR TOMORROW. Ready for future products with a PCIe-NVMe interface; performs at UHS-I speeds with microSD UHS-I and UHS-II devices.
EXPONENTIALLY FASTER PERFORMANCE. Up to 4.4 times faster transfer speeds than our fastest microSD UHS-I cards [9]. Transfer a 2-hour HD movie in less than 3.5 seconds [1]; save up to 2.8 minutes transferring 60 minutes of 4K UHD video [4] shot at 30 fps when paired with the SanDisk PRO-READER SD Express Dual Card (sold separately) [9]
DURABILITY YOU CAN COUNT ON: Cards are waterproof, temperature-proof, humidity-proof, drop-proof, shock-proof, magnetic-proof, x-ray proof, and wear-out proof [5].
HEAT MANAGEMENT REIMAGINED. SanDisk ThermAdapt helps keep devices from overheating with a specially designed enclosure and controller that uses dynamic adaptive thermal management.

Full Specifications

Brand	Sandisk
Color	Black
Weight	512g
Model Name	SDSQXFN-512G-GN4NN
Read Speed	880 Megabytes Per Second
Unit Count	1.0 Count
Media Speed	650
Model Number	SDSQXFN-512G-GN4NN
Compatibility	Switch
Warranty Type	Lifetime
Built-In Media	memory
Mfr Part Number	SDSQXFN-512G-GN4NN
NEXT GEN GAMING	Works with Nintendo Switch 2.
Flash Memory Type	Micro SDXC

Ready to buy?

SANDISK 512GB microSD Express Card - Works with Nintendo-Switch 2, Up to 880MB/s Read, Up to 650MB/s Write, 220MB/s Sustained Write, U3, C10 - SDSQXFN-512G-GN4N is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.