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

Price: $134.99 - $74.99
(as of May 16, 2026 18:30:37 UTC – Details)

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Unleash your creative potential and dive into new experiences with SANDISK microSD Express, the next-gen microSD card for those who refuse to settle. Now with a PCIe Gen 3-NVMe interface, the new card delivers performance comparable to our mainstream portable SSD.[3] Up to 4.4 times faster than our fastest microSD UHS-I cards,[7] they enable exponentially faster camera roll offloads and 2-hour HD movie (2GB) download transfers in less than 3.3 seconds while using SANDISK PRO-READER SD Express Dual Card2 (sold separately). Works with Nintendo Switch 2 to deliver super quick load times and an ultra-smooth, immersive gaming experience. Create next-level immersive content with a card that supports up to 5.3K video[4] capture today and up to 8K video4 in possible new devices. SANDISK ThermAdapt technology helps keep heat generated by high speeds within reliable operating limits with a specially designed enclosure and an adaptive thermal controller. Backwards compatible with microSD UHS-I devices, SANDISK microSD Express technology readies you—the next generation of creators and explorers—for the future of superspeed devices
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.
MASSIVE TIME-SAVER. Transfer 60 minutes of 4K UHD video[4] shot at 30 fps in just less than 70 seconds and 1,000 10MP RAW photos in less than a minute (51.7 seconds) when paired with SanDisk PRO-READER SD Express Dual Card (sold separately).[2]

Product summary

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