SanDisk claims that its 1 gigabyte (GB) SanDisk SD "write
once read many" (WORM) cards shipping today offer data
integrity and longevity of up to 100 years.
The company has begun shippin gthe new SD cards to
to Japan's police force. Police in Japan have implemented
the SanDisk SD WORM card as the storage media of choice for
tamper-proof forensic image archiving.
The card can be inserted into an SD WORM-compatible digital
camera and begin capturing images. Later, the images can be
tranferred to a computer while maintaining unchangeable
originals on the WORM card.
SanDisk's proprietary SD WORM controller technology
instantly protects any files written to the device,
preventing the alteration or deletion of stored data. The
card stores files safely for up to 100 years, as shown by
accelerated data retention internal testing, and delivers a
lower total cost of ownership compared to other archival
media, Sandisk claims.
Any SD-compatible device can read SD WORM cards, but only
hosts with SD WORM-compatible interfaces can write to the
The SanDisk SD WORM card is available worldwide in a 1GB
capacity, with pricing dependent upon the quantity ordered.
The cards can be purchased through SanDisk's network of OEM
distributors and representatives.
Beyond forensic image archiving, SanDisk expects its SD
WORM technology to be widely adopted in crucial
applications such as audio recording and long-term
retention of legal documents and medical files.