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SanDisk Extreme PRO 256GB microSDXC UHS-I Memory Card
- Save time transferring media with SanDisk QuickFlow Technology
- Up to 200MB/s read speeds
- Up to 140MB/s write speeds for fast continuous shots
- Capture stunning 4K UHD video
- Shock, temperature, water, and X-ray-proof
- Get the SanDisk Memory Zone app for easy file management
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is a high-performance storage solution engineered primarily for 4K UHD video recording, fast-action photography, and demanding mobile applications. Featuring SanDisk QuickFlow Technology, this card achieves read speeds far exceeding standard UHS-I limitations when paired with compatible proprietary card readers.Key Performance Specifications
- Read Speed: Up to 200 MB/s sequential read performance for rapid file transfers.
- Write Speed: Up to 140 MB/s sequential write speed, perfect for burst-mode photography.
- Video Class Ratings: V30 (Video Speed Class 30) and U3 (UHS Speed Class 3) guarantee a minimum sustained write speed of 30 MB/s required for stutter-free 4K video recording.
- Application Class: A2-rated to provide faster mobile app launches and smoother loading times on smartphones or tablets.
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According to official specifications from SanDisk, this card features an ultra-rugged design engineered to withstand harsh operating conditions:
- Waterproof: Tested to endure submersion in freshwater or saltwater.
- Temperature-Proof: Can operate in extreme temperatures ranging from -25°C to 85°C (-13°F to 185°F).
- Shockproof: Built to survive accidental drops, vibrations, and impact.
- X-Ray Proof: Fully shielded against airport security scanner rays.



