Difference between the Sandisk Extreme HD Video 30MB/s and Extreme 30MB/s and Extreme III

Memory Cards Mobile memory, professional cards and all other st
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both are basically the same card. once they released the extreme Pro SDHC card they rebranded the Extreme to Extreme HD video. also new runs of the extreme HD video are UHS1 instead of class 10 like extreme 30MB/s. 

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