$Shares = Get-WmiObject Win32_Share -ComputerName localhost
Foreach ($Share in $Shares)
{
     If ($Share.Type -eq 0) 
     {
         $Result = "" | Select Server, Share, Path, Drive, Used, Free, Total
         $Result.Server=$Share.__SERVER
         $Result.Share=$Share.Name
         $Result.Path=$Share.Path
         $Result.Drive=$Result.Path[0]; 
         
         $Filter = "Name ='"+$Result.Drive+":'"
         $Drive = Get-WMIObject Win32_LogicalDisk -Filter $Filter -ComputerName $Result.Server
         $Result.Total=$Drive.Size
         $Result.Free=$Drive.FreeSpace
         $Result.Used=$Drive.Size - $Drive.FreeSpace
         $Result
     }
}