Amazon.com: SanDisk Extreme Pro 32GB SDHC UHS-1 Speed ... SanDisk Extreme Pro 32GB SDHC UHS-1 Speed Class 3 (U3) With Speed ... The SanDisk Extreme Pro SDHC UHS-I memory card features technologies that were previously ... I have the Delkin Elite and this card, both UHS-I cards at 95MB/s.