Details

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• Transfer Speed: Up to 100MB/s sequential read speed for capacities 32GB and above, while the 16GB variant typically tops out at 80MB/s.
• Speed Class: Class 10 (C10) / UHS-I (U1), which guarantees a minimum sequential write speed of 10MB/s.
• Video Capability: Optimized for shooting and playing back Full HD video (1080p) and high-quality photographs.
• Durability: Built to withstand harsh environments; it is waterproof, temperature-proof, X-ray proof, and shockproof.
• Warranty: Generally covered by a 7-year limited local manufacturer warranty.

• Expanding storage on older mobile phones, portable tablets, and budget hand-held gaming devices.
• Storing documents, MP3 music files, offline movies, and casual photo backups. 

• Not ideal for 4K video: If you plan to record 4K UHD video on modern action cameras, drones, or premium smartphones, you should skip this model. Look for a card rated U3 / V30 (such as the SanDisk Extreme series) instead, as the Ultra's write speeds are too slow and may cause dropped frames. 
• App Performance: While it can run apps, cards featuring an explicit A1 or A2 rating deliver significantly faster app loading times and smoother performance on Android OS devices