#get-disksize.ps1
#Keywords: WMI, Logical Disk, utilization
#Jeffery Hicks
#http://jdhitsolutions.blogspot.com

Param ($Computer = "localhost")
$colDisks = get-wmiobject Win32_LogicalDisk -computer $computer 
" Device ID    Type               Size(mb)     Free Space(mb)"
ForEach ($Disk in $colDisks)
{
 $drivetype=$disk.drivetype
 Switch ($drivetype)
 {
     2 {$drivetype="FDD"}
     3 {$drivetype="HDD"}
     5 {$drivetype="CD "}
 }

"    {0}         {1}       {2,15:n}  {3,15:n}" -f $Disk.DeviceID, $drivetype, $($disk.Size/1mb), $($disk.freespace/1mb)
}
""