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The SanDisk Extreme 100 MB/s UHS-1 V30 SDHC Card - 32GB captures 3D, 4K, and full HD videos and continuous burst photos. Featuring a V30 speed class rating, this memory card promises a write speed of up to 90 MB/s and a read speed of up to 100 MB/s. This card is compatible with the U3 standard and UHS-1 bus. Its integrated write-protect switch keeps your data safe from accidental erasure.