PowerTip: Use PowerShell to Find Where Drive Letter is Stored
Summary: Use the Get-Partition and Get-Disk cmdlets to identify data storage locations.
How can I use Windows PowerShell to easily figure out which disk a particular drive letter is on?
Use Get-Partition with the drive letter and pipe the results to Get-Disk, for example:
Get-Partition –DriveLetter Z | Get-Disk