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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

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

By SpecPicks Editorial · Verified 2026-07-09

$149.20
Buy on Amazon — $149.20 Compare to similar storage adapters

*Price sourced from Amazon.com. Last updated 2026-07-09. 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 storage adapters category, priced around $149.20. 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…

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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 storage adapters 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 storage adapters 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

BrandSandisk
ColorBlack
Weight512g
Model NameSDSQXFN-512G-GN4NN
Read Speed880 Megabytes Per Second
Unit Count1.0 Count
Media Speed650
Model NumberSDSQXFN-512G-GN4NN
CompatibilitySwitch
Warranty TypeLifetime
Built-In Mediamemory
Mfr Part NumberSDSQXFN-512G-GN4NN
NEXT GEN GAMINGWorks with Nintendo Switch 2.
Flash Memory TypeMicro 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-09. Price and availability subject to change.

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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
$149.20
View on Amazon →