







🚀 Speed Meets Endurance: The microSD Card That Keeps Up With Your Ambition
The SanDisk Express microSD Card offers a massive 256GB storage with ultra-fast read speeds up to 880MB/s and sustained write speeds of 210MB/s. Designed for next-gen PCIe-NVMe and UHS-I/II devices, it transfers 4K UHD video and RAW photos in record time. Built tough with waterproof, shockproof, and temperature-resistant features, it ensures your data stays safe under any condition, all backed by a limited lifetime warranty.






| Warranty Type | Limited |
| Hardware Interface | microSDHC |
| Secure Digital Association Speed Class | Class 10 |
| Product Dimensions | 15L x 11W Millimeters |
| Manufacturer | Western Digital Technologies, Inc., Western Digital UK Ltd, 20F No. 918, Unit B,C,D, Middle Huai Hai Zhong Road, Shanghai 200020, PRC |
| UPC | 619659202064 |
| Item model number | SDSQXFN-256G-GN4NN |
| Are Batteries Included | No |
| Manufacturer | Western Digital Technologies, Inc. |
| Item Weight | 0.26 g |
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