What does the MARK2 logo mean that is labeled on some Memory Stick PRO Duo and Memory Stick Micro recording media?
Memory Stick PRO Duo™ and Memory Stick Micro™ recording media with a MARK2 logo is certified to operate with products that record in the AVCHD format. This logo indicates the Memory Stick PRO Duo media meets higher speed requirements that are best suited for handling AVCHD video recordings.
Memory Stick PRO Duo:
Memory Stick Micro: