SanDisk Launches SD Media with WORM (Write Once Read Many)


Usually when a company releases a product containing with a worm, it's not a good thing. But when that WORM comes in all caps, the nomenclature takes a whole different meaning. In this case, SanDisk has developed a card that can be written to only one time, after which it becomes a read-only card. That's not something that will appeal to home users, but SanDisk's WORM (Write Once Read Many) media means police and courtrooms no longer need to reject SD cards as evidence for fear of tampering.

Potential uses for WORM cards include police witness and suspect interviews, cash registers, electronic voting, security cameras, in-flight 'black boxes,' medical devices containing patient information, and anything else where a permanent one-time write would be desirable. Once written to, SanDisk claims the new cards will retain the data for up to 100 years. "As digital media volume has grown and surpassed traditional analogue media such as film and audio cassettes in the consumer market, law enforcement agencies and other professionals are facing rising costs and lack of supply," said Christopher Moore, director of product marketing for OEM memory cards at SanDisk.

The SD cards currently come in 128MB versions, but beefier WORMs are expected later this year. Yummy.

Image Credit: and SanDisk

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