Sony

Sony 799182 3.5" 230MB Rewritable Magneto Optical Disk

The Sony 3.5" Rewritable Magneto Optical Disk provides 230MB of durable, archival-grade data storage on proven MO technology.

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Overview

The Sony 799182 is a 3.5-inch rewritable magneto optical disk with a 230MB capacity, built on a storage technology that was once prized for its combination of rewritability, durability, and data integrity. Magneto optical media uses a laser and magnetic field together to write data, and only a laser to read it, which makes the stored data highly resistant to accidental erasure from stray magnetic fields. This makes MO disks particularly well suited for archival storage and environments where long-term data preservation is critical.

As a rewritable disk, the Sony 799182 can be erased and rewritten many times, offering flexibility that write-once optical media does not. While 230MB is a modest capacity in an era of terabyte drives, this disk serves a specific purpose for organizations and individuals who rely on existing magneto optical systems for records retention, industrial equipment, or legacy data workflows. Sony's reputation for media quality means consistent performance and reliability, though users should be aware that compatible MO drives are increasingly difficult to find as the technology has been largely superseded by modern storage solutions.

Specifications

Brand
Sony
Model
799182
Type
Rewritable Magneto Optical Disk
Size
3.5"
Capacity
230MB
Quantity
1-Pack

Pros & Cons

👍 Pros

  • Magneto optical technology offers excellent data longevity compared to standard optical media
  • Rewritable capability allows data to be updated or replaced as needed
  • 3.5" form factor is compact and easy to store in large quantities
  • Sony's manufacturing quality provides reliable read/write consistency

👎 Cons

  • 230MB capacity is extremely limited by modern storage standards
  • Requires a dedicated magneto optical drive, which is increasingly rare and difficult to source
  • Incompatible with standard CD/DVD/Blu-ray drives or USB flash readers
  • Legacy format with no current manufacturing support, making replacement media scarce

Frequently Asked Questions

Each disk stores up to 230MB of data.
It is a rewritable magneto optical disk, meaning data can be erased and rewritten multiple times.
You need a 3.5-inch magneto optical (MO) drive that supports 230MB media. These drives connect via SCSI, USB, or other interfaces depending on the model.
This is a single-disk (1-pack) package.
Yes, MO disks are known for their longevity and resistance to environmental degradation, making them well suited for archival and long-term data preservation.