What is the unit allocation size that is displayed in the window to format USB?

Original title: allocation unit size

What is the unit allocation size that is displayed in the window to format usb

Hi Moaz,

Thanks for posting your question in the Microsoft Community.

I understand that you want to know the unit allocation size that is displayed in the format USB window. Correct me if I'm wrong.

I will certainly help the question of fixing.

In computer file systems, a cluster is the unit of allocation of disk space for files and directories. To reduce the load of the management of data on disk structures, the file system allocates no individual disk sectors, but contiguous groups of sectors, called clusters.

On a disk that uses 512-byte sectors, a 512-byte cluster contains one sector, whereas a 4-Kibibyte (KiB) contains eight sectors.

Refer to the below mentioned article and see if it provides information that you are looking for.

By default for NTFS cluster size, FAT and exFAT:

http://support.Microsoft.com/kb/140365

Your response is very important for us to ensure a proper resolution. Please get back to us to help you accordingly.

Tags: Windows

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