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Sony 5.25" WORM 9.1GB 4KB/S (CWO-9100C)

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Each Sony 5.25” Write Once, Read Many (WORM) Optical Disk has a capacity of 8.6GB. The disk has 4096/S bytes/sector and it is unformatted. The disk is packaged in a paper sleeve.

  • Part Number: CWO-9100C
  • DOT Part Number: SONCWO-9100C
  • Shipping Weight: 0.4 lbs

 5.25-inch MO and WORM disks combine the qualities of high-speed random access and long archival life to suit a variety of applications. including storage of diagnostic imaging, HIPAA and other regulatory compliance, non-linear audio/video editing, graphics processing, and document archiving by government offices and libraries. From 1X to 14X, Sony MO media is optimal for mission-critical storage environments that require both longevity and performance.


  • Maximum data transmission of 6MB/s and average seek time of 25 milliseconds.
  • High-speed Sony MO disks spin at hard-disk speeds, so files can be accessed in milliseconds.
  • Non-contact read/write and Sony materials science gives a 50-year archival life with over 10 million read/write cycles and 1 billion reads.


  • Media Technology: Magneto Optical
  • Native Capacity: 9.1 GB

Weights and Measurements

  • Dimensions (Approx.): 135 x 153 x 11 mm
  • Weight (Approx.): 165g