The space of any information medium (hard drive or flash drive) is not a whole piece, but a system of memory cells called clusters. Each of them is assigned a unique serial number. In other words, all memory is divided into blocks.
Now let's see what the cluster size is. It's simple, this is a certain size of one disk cell. With the help of modern tools you can set absolutely any value. Sets the cluster size during formatting. It can be at least five hundred and twelve bytes and above. It will already depend on your goals.
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