https://www.slashgear.com/sandisk-introduces-4-gb-memory-stick-pro-duo-game-card-11578/
SanDisk Corporation today responded to the growing demand from power users of the popular Sony PSP (PlayStation Portable) by introducing a 4-gigabyte (GB)*...
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https://www.tvtechnology.com/news/sony-launches-faster-memory-stick-prohg-duo-hx
Unit offers data transfer speeds of up to 50MB/s and 32GB storage capacity at more affordable prices.
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