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The USB flash driver in question is SanDisk Ultra Fit 128GB.

It'll be formatted as exFAT. Allocation units options range from 4k to 32M

What would be the best allocation units size if I were to use it to store exclusively ISOs?

More specifically OS ISOs to be used with Ventoy. This would mostly include linux distros

Do ISO behave as one large file, or a folder containing independent files? Same with other files like Zip and Rar.

Giacomo1968
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SparkShredder
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1 Answers1

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Ventoy works with ISO files, where each ISO is just one single file.

The allocation unit size is not really important, as the files would in most cases be read in a sequential manner, where most files within the ISO would be much larger than the allocation unit.

You may accept the default allocation size that is offered by the formatting utility.

harrymc
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