2010-09-09

How Do I Check the Allocation Unit Size of a NTFS partition in Windows?

fsutil fsinfo ntfsinfo [DriveLetter]:
Replace [DriveLetter] with your drive letter.

Example:
fsutil fsinfo ntfsinfo c:


The line item to pay attention to is:
Bytes Per Cluster
(You can divide the number by 1024 to get it's value in K ... Example: 16384 / 1024 = 16K)

Hope this helps someone discover the answer faster than having to read a forum!  :)

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