Computer/Checking the physical and logical sector size of a drive on Windows
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How to find the physical and logical sector size of a drive on Windows[edit | edit source]
Main_Page > Computer > Checking the physical and logical sector size of a drive on Windows
Using command prompt[edit | edit source]
In the command prompt with administrator privilege, you can type the below command.
If you are checking C drive:
fsutil fsinfo sectorinfo c:
If you are checking D drive:
fsutil fsinfo sectorinfo d:
You may see the logical and physical sector size like the below example.
LogicalBytesPerSector : 512 PhysicalBytesPerSectorForAtomicity : 4096 PhysicalBytesPerSectorForPerformance : 4096 FileSystemEffectivePhysicalBytesPerSectorForAtomicity : 4096 Device Alignment : Aligned (0x000) Partition alignment on device : Aligned (0x000) No Seek Penalty Trim Supported Not DAX capable Not Thinly-Provisioned
LogicalBytesPerSector 512 means the drive that is used with C drive letter has 512 byte logical size sector.
PhysicalBytesPerSectorForAtomicity 512 means the drive that is used with C drive letter has 512 byte logical size sector.
Using Windows PowerShell[edit | edit source]
In the Windows PowerShell with administrator privilege, you can type the below command.
Get-Disk | Format-List
You may see the logical and physical sector size like the below example.
UniqueId : eui.1234567890ABCDEF
Number : 0
Path : \\?\scsi#disk&ven_nvme&prod_XXXXXX#5&12345678&0&000000#{12345678-1234-1234-1234-123456789012}
Manufacturer :
Model : Sabrent
SerialNumber : 1234_1234_1234_1234.
Size : 953.87 GB
AllocatedSize : 1024208494592
LogicalSectorSize : 512
PhysicalSectorSize : 4096
NumberOfPartitions : 7
PartitionStyle : GPT
IsReadOnly : False
IsSystem : True
IsBoot : True