Mark 2 Certification
As of early 2008, Mark 2-certified versions of the Memory Stick PRO Duo became available. The Mark 2 designation indicates the Memory Stick is suitable for use with AVCHD recording products or other faster Memory Stick enabled devices by providing appropriate minimum write performance.
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“I would rather miss the mark acting well than win the day acting basely.”
—Sophocles (497–406/5 B.C.)