The minimum size of NTFS partition (Windows NT)

Posted on 2007-04-10
Last Modified: 2013-12-28
What's the minimum size of a NTFS partition in windows NT?

Any help will be greatly appreciated.
Question by:doluong
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Expert Comment

ID: 18887238
8mb i believe

Author Comment

ID: 18887243
I believe it's not 8mb.

Expert Comment

ID: 18887267
what makes you believe it isnt, 8mb is the smallest partition size i can create on ntfs....
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Author Comment

ID: 18887273
but I mean in Windows NT not others

Expert Comment

ID: 18887282
ntfs is a filesystem its os independant

Author Comment

ID: 18887293
what makes you believe it isnt, 8mb is the smallest partition size i can create on ntfs....

~~> I think, that's OS limitation, not ntfs'
LVL 95

Accepted Solution

Lee W, MVP earned 500 total points
ID: 18887329
The minimum recommended size is 10 MB - there have been instances where people have gotten a floppy (1.4 MB) formatted as NTFS.


Author Comment

ID: 18887360
Thanks static-void and leew. Your infomation's very helpful. But could you confirm about the minimum size? The recommended is 10MB but is it possible to cread a ntfs partition < 4MB , < 8MB in Windows NT?

There have been instances where people have gotten a floppy (1.4 MB) formatted as NTFS  ~> they use some tricks to fool the system. Let's say about the regular method.

Expert Comment

ID: 18895773

static-void is correct.   The minimum size is 8 MB.

Below I paraphrased remarks "one" and "two" below.  Therefore the associated website is listed.
Number three is what I got when I created the smallest NTFS partition on my Windows XP computer.

1. Mark Russinovich wrote NTFSFlp.  It only works only on NT 4.0 and requires administrative privilege to run.  The link, .  

2. There are two common versions of NTFS:
- NTFS 1.1, which is also called NTFS 4.0 (since it is most commonly used with Windows NT version 4.0).
- NTFS 5.0, which is an integral part of Windows 2000.
- Link,

3. Using  Computer Management located in Administrative Tools or by running from the command line, compmgmt.msc to create a NTFS 5 partition you can get:
- Used space is 2,549,760 bytes or 2.43 MB
- Free space is 5,675,008 bytes or 5.41 MB
- Capacity is 8,224,768 bytes or 7.84 MB

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