Quickly Identify Hard Disk Sector Size in Windows

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Quickly Identify Hard Disk Sector Size in Windows

The hard disk sector size is the smallest data unit that can be read or written to a hard drive. This unit’s size directly impacts how fast your computer will perform and how many files it can store. Most operating systems do not display this information by default, but there are some ways to find out what size your disk uses without installing any additional software.

How to Find Hard Disk Sector Size in Windows

To find the hard disk sector size in Windows, you can use the following steps:

Step 1: Open Disk Management

  • Open the Windows Control Panel.
  • Click on Administrative Tools.
  • Double-click on Computer Management in the list of options to open it, and then click OK if prompted by User Account Control.
  • Double-click Storage in the left pane of Computer Management; if you don’t see Storage, right-click Disk Management and select Add Feature (if available).

Step 2: Right-click on the hard drive in question

  • Right-click on the hard drive and select Properties from the context menu.
  • You should now see a window that lets you view information about your drive, including its size, how many sectors it has and more.

This information is helpful for troubleshooting purposes as well as a general curiosity; if you’re working with some files or folders that have gotten corrupted on your computer, for instance (for instance, those of an external backup drive), then knowing,g how many sectors are on each one can help determine whether or not they’re still readable by Windows 10.

Step 3: On the General tab, click on “Healthy (Online)”

Healthy (Online) is the most important option, but you can also click on Healthy (Offline) to check the drive’s health. If there are any errors, you’ll see them here. To get a more detailed look at what’s going on with your hard disk, click Properties and then select one of these options:

  • [Check] to run a quick check on the drive’s health
  • [Scan] if you want Checkdisk (chkdsk) to scan your hard disk for issues
  • [Analyze] if you want chkdsk wish perform an analysis of all files on the disk

Step 4: The display will now show you the hard drive’s current partition

You can use the same tool to determine the size of your hard disk. The display will show you the current partition style and how many sectors are available for use by this partition. Suppose you change the partition style or create new ones altogether. We recommend it. In that case,d using the Disk Management tool instead (Disk Management is a feature of Windows that allows users to manage partitions on their computer’s hard drives).


Now you should be able to quickly identify the hard disk sector size of any Windows computer. This knowledge can be helpful if you need to replace your current hard drive with one that has a different sector size or if you have data corruption issues that may be related to this setting (such as not being able to read certain files).

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