Next-level speed for next-level experiences 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 Card2 (sold separately) - up to 4.4 times faster than our fastest microSD™ UHS-I cards.10 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 recording speeds than a SD UHS-II card.3 With the addition of a PCIe® Gen 3-NVMe™ interface, the microSD™ Express card represents a massive step forward in the evolution of the microSD™ format with performance comparable to our basic portable SSD.5 SanDisk microSD™ Express cards work with current microSD™ UHS-I and UHS-II devices, supporting up to 5.3K video6 and 10MP RAW image capture. SanDisk ThermAdapt™ helps keep your devices from overheating with a specially designed enclosure and an adaptive thermal controller. SanDisk microSD™ Express technology readies you—the next generation of creators and explorers—for the future of superspeed devices. Features Ready for Tomorrow Ready for future superspeed products with a PCIe®-NVMe™ interface and performs at UHS-I speeds with microSD™ UHS-I and UHS-II devices Exponentially Faster Performance Up to 4.4 times faster read speeds than our fastest microSD™ UHS-I cards with up to 880MB/s2 transfer speeds. Massive Time-Saver Transfer a 2-hour HD movie in less than 3.5seconds2 and save up to 2.8 minutes transferring 60 minutes of 4K UHD video6 shot at 30 fps when paired with the SanDisk PRO-READER SD Express Dual Card (sold separately).11 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.7 Trust us with your content Experience reliable performance and peace of mind with a lifetime limited warranty.9 Reliable File Recovery Relax knowing that accidentally deleted files can be recovered by activating the two-year RescuePRO® Deluxe file recovery service.8 Exceptional Capture A video-ready card that captures brilliant 5.3K and 4K video, plus slow-motion Full HD footage.6 Specifications Capacity 256GB Form Factor microSDXC™ Sequential Read Performance 880MB/s Sequential Write Performance 650MB/s Interface PCIe NVMe / UHS-I Dimensions (L x W x H) 14.99mm x 10.92mm x 1.02mm Warranty Lifetime Limited Warranty Weight 0.26gms Model Number SDSQXFN-256G-GN4NN Operating Temperature -25°C to 85°C Non-Operating Temperature -40°C to 85°C Compatibility Devices that include a microSDXC™ slot, including Android™ smartphones and tablets, action cams, drones, handheld gaming devices, and laptops. Devices that include microSD™ Express, microSD™ UHS-I, and microSD™ UHS-II slots. Performs at microSD™...