How to Change Hard Disk Cluster Size in Windows 10

Windows 10 have many characteristic features for the users. Further, you can have amazing outcomes with its applications. In addition, it gives you beneficial outcomes for the betterment of your system. There is a cluster concept in the hard disk. Moreover, the ‘Cluster’ stands for the smallest unit for saving & managing the files on the disk. The cluster size varies according to the file size. It is necessary to do it properly. But, many users don’t have an idea about ‘How to Change Hard Disk Cluster Size in Windows 10?’. You will definitely get benefits from this. So, we are ready here for them. We are throwing detailed information regarding this topic. So, let’s take a ride on ‘How to Change Hard Disk Cluster Size in Windows 10?’.

How to Change Hard Disk Cluster Size in Windows 10?

There are various sizes of files available. So, it is essential to make the cluster size accordingly. In fact, small files need small space while bigger ones need more space. Thus, you can change this size with the help of this comprehensive data. We assure you that this data will be much beneficial for you in various aspects. We are delivering here a tutorial ‘How to Change Hard Disk Cluster Size in Windows 10?’. On the other hand, you should make your mind to grabbing this opportunity. Thus, let’s start this amazing journey of information.

Methods Used to Change Hard Disk Cluster Size in Windows 10

There are various methods available for fulfilling this task. We are providing some of them here for you.

Method – 1 ) Making Use of the ‘File Explorer’

You can use the ‘File Explorer’ for this purpose. It is necessary to follow the steps given below to do so.

1 ) Open the ‘File Explorer’

First of all, open he ‘File Explorer’ application from your system. So, search for it in the search bar & click on the icon.

method 1 How to Change Hard Disk Cluster Size in Windows 10 step 1

2 ) Choose the ‘Format’ Option

After that, select the disk you want from the list (Suppose, Local Disk E). Then, right-click on that & select the ‘Format’ option to proceed further. This is a very important step to perform for getting expected results.

format window

3 ) Select the ‘Allocation unit size’ Block

In addition to the above, you should select the ‘Allocation unit size’ block. Moreover, you can change the cluster size from here. So, click on the downward arrow to select the size from the list. Choose the one according to the file.

allocation unit size window

4 ) Select the ‘Quick Format’ Option

Moving ahead, select the ‘Quick Format’ option below the ‘Format Options’ title on the window. Then, click on the ‘Start’ button. To continue ahead, click on the ‘Yes’ when a window pop-ups.

quick format window to Change Hard Disk Cluster Size

Thus, you can go for this option.


Method – 2 ) Making Use of Command Prompt Window

You can use the Command Prompt Window for this task. So, just follow the steps to fulfill the expected target.

1 ) Select the Command Window

You should search for ‘cmd’ in the search bar for opening the command window. So, search for the same & select it.

method 2 How to Change Hard Disk Cluster Size in Windows 10 step 1

2 ) Choose the ‘Run as administrator’ Option

Then, right-click on the icon & select the ‘Run as administrator’ option. Further, a prompt window will open. You can use it for the operation.

command prompt window

3 ) Adding the Commands

Add the ‘diskpart’ command & press Enter key to open the diskpart command prompt. Then, add the following commands & press Enter after every command.

list disk

select disk 2

list partition

select partition 1

format fs=ntfs unit=64k

command prompt running commands window
Image Source: diskpart

Thus, you can go for this method also.


In this way, following the above-mentioned steps, you can change hard disk cluster size in Windows 10.