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Sony MSXM256A PRO DUO 256 MB Memory Stick

Product Description :
Minimum Write Speed 15Mbps when combined with Optimized Memory Stick PRO format-compatible devices
Flash Memory 128 MB x 2 Total 256MB
Store transfer and share your digital pictures videos music presentations data voice files and more
123 MB storage per side for a total of 246MB
Memory Stick Interface Serial