The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges because they weigh less, have higher capacities and are not subject ...
CD-R - meaning CD-Recordable, the user can write data to the CD once or fill it over time using multi-session (writing to the same disc on separate occasions). CD-RW - meaning CD-ReWritable ...
New optical tech could slash archival costs by 10x or even more Optera Data’s discs could hit 10TB for just $1 - cheaper than ...
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