SanDisk today unveiled the 32GB Extreme SDHC, promising that its read/write speed rating of 30MB/s will make it the fastest card of its capacity when it ships in August 2009. The company is also in the process of renaming its Extreme III 30MB/s Edition SDHC cards, which will be known hereafter simply as Extreme SDHC. The renamed 4, 8 and 16GB models are expected to hit store shelves at about the same time as the new 32GB is released.

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