Capacity varies among writeable DVD formats
Writable DVDs aren’t all the same.
Capacity is a key difference among the various DVD formats.
Many DVD burners for computers now burn double-sided and double-layer DVDs.
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DVD Formats
DVDs are available in various formats, each of which supports various capacities.
Actual capacity is less because technical parameters changed since the nomenclature was designated.
Check the specifications of your DVD burner to be sure of the format you need.
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In some cases, you might need a disc that can hold more or less data.
There are even write-once BDXL formatted discs that can hold upwards of 100-128GB of data.
Generally, smaller capacity discs are the least expensive discs you’re able to buy.
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They’re also more widely acceptable in disc drives.
However, a Blu-ray Disc is only usable if the gear includes Blu-ray support.
