SanDisk\'s most powerful SD UHS-I memory card delivers maximum speed for performance and reliability. The SanDisk Extreme PRO SDXC UHS-I Card provides uncompromising image and 4K UHD video quality from your DSLR, advanced digital or HD video camera. Transfer speeds up to 95MB/s move your data fast for efficient post-production workflow. Write speed of up to 90MB/s handle rapid shots, sequential burst mode, and RAW plus JPEG capture with ease. SanDisk products are constructed to the highest standards and rigorously tested. You can be confident in the outstanding quality, performance and reliability of every SanDisk product. At-a-Glance- For pros who demand high performance- Fast post-production workflow- Record 4K UHD video- Read speeds of up to 95MB/s- RescuePRO Deluxe data recovery downloadFeatures- Our highest capacity SDXC card to catch all the action- Our most powerful SD UHS-I memory card yet with shot speeds up to 90MB/s, transfer speeds up to 95MB/s- Engineered to capture 4K UHD video and sequential burst mode photography- Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)- Built for and tested in harsh conditions: temperature proof, water proof, shock proof, and x-ray proofSpecificationsForm factor: SDHC (16GB, 32GB), SDXC (64GB, 128GB, 256GB, 512GB)Available capacities: 16GB, 32GB, 64GB, 128GB, 256GB, 512GBPerformance/speed: Up to 95MB/s read speed (633X); up to 90MB/s write speed (600X)Card dimension: 0.94