Press Release


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August 19, 2003



Memory Stick Platform Strategy to Support Miniaturization and High-Speed Data Transfer
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      August 15, 2003, Europe and USA, August 19, 2003 Tokyo, Japan - Sony Corporation today announced the introduction of new lines of "Memory Stick DuoTM" leading to enhanced miniaturization of media to coincide with current miniaturization trends and lighter Memory Stick enabled products, such as cellular phones and portable audio players.

      Memory Stick Duo launched in July 2002 at one-third the volume and half the weight of standard-size Memory Stick has realized further miniaturization and lighter compatible products and succeeded in expanding the range of applications. While Memory Stick compatible products have become smaller and lighter, stored content has become increasingly diverse and demands for large memory have continued to increase along with the growth of broadband networks. In addition, the broadband era has resulted in increased needs for high-speed data transfer as well. In response to all such needs, additional lines of Memory Stick Duo will be added to the Memory Stick family.

      The newly introduced Memory Stick Duo maintains high compatibility with existing Memory Stick compatible products. Equipped with a parallel interface, the Memory Stick Duo can achieve a theoretical maximum data transfer speed of up to 160Mbps*. This enables faster read-out of large data than ever before. The new Memory Stick Duo can also be used with current compatible products via a serial interface.
* When combined with compatible products with a parallel interface.
Read-out and write access speeds vary by and are dependent upon the design of host devices.


      In addition, with MagicGateTM copyright protection technology included in the media as a standard feature, the newly introduced Memory Stick Duo enables secure distribution of commercial content. The number and variety of compatible products are anticipated to expand even further and from the end of September 2003 users can expect to enjoy increased convenience with the worldwide availability of the new Memory Stick Duo in 32MB, 64MB and 128MB capacities.

      The new generation Memory Stick "Memory Stick PROTM" jointly developed by SanDisk and Sony was announced early 2003 and launched worldwide in 256MB, 512MB and 1GB capacities in March 2003. The newly introduced Memory Stick PRO DuoTM achieves compact size while maintaining the advanced technology and future expandability realized with the Memory Stick PRO format. Used in combination with compatible products optimized for the Memory Stick PRO format, Memory Stick PRO Duo can provide users with high levels of performance, such as the recording of high-resolution moving images.
*Memory Stick PRO media features vary by and are dependent upon the design of host devices.

      Furthermore, by incorporating the media with MagicGate copyright protection technology, it is anticipated that the Memory Stick PRO Duo, as a truly next-generation media, will lead to an expansion of applications due to its ability to ensure a highly secure means of commercial content distribution.

      Along with the rapid growth of broadband networks as well as the evolution of media and compatible products, the ability to respond to advanced and diversified next-generation applications, such as the recording of high-resolution moving images, has become an essential requirement of memory cards. The Memory Stick PRO Duo equipped with advanced features in supporting miniaturization will become available worldwide in 256MB and 512MB capacities from the end of September and October 2003 respectively.

      The new Memory Stick Duo and Memory Stick PRO Duo will facilitate adoption of Memory Stick media and compatible products via a broader range of product categories. Cumulative shipments of Memory Stick media including the new Memory Stick Duo lines are expected to reach 130 million units in 2004 and 210 million in 2005. Cumulative shipments of Memory Stick compatible products are expected to dramatically exceed initial expectations made at the time of the media's market launch, reaching 125 million units in 2004 and 200 million in 2005.

      The addition of new Memory Stick Duo and Memory Stick PRO Duo to the Memory Stick lineup will enable Memory Stick to evolve and enrich its lineup as a platform to link users to a variety of broadband era content and services.

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* In general, the system name and product name indicated are the registered trademark or trademark of each company responsible for development.