Get Disk space of remote computer in OU

####Script by Chris of TECHGUYBLOG.CO.UK (C) 2018
####Tested on PS 5.0 AND 6.0
####The script below will allow you to get the free disk space on remote machines in an OU
####And an second drive

$comp = Get-ADComputer -Filter * -SearchBase "OU=Servers,OU=School,OU=CO,OU=UK"| select -expand name
Get-WMIObject Win32_Logicaldisk -filter "deviceid='C:'" -ComputerName $comp | 
Select PSComputername,DeviceID, 
@{Name="SizeGB";Expression={$_.Size/1GB -as [int]}},
@{Name="FreeGB";Expression={[math]::Round($_.Freespace/1GB,2)}}

##and d drive

#B
Get-WMIObject Win32_Logicaldisk -filter "deviceid='D:'" -ComputerName $comp | 
Select PSComputername,DeviceID, 
@{Name="SizeGB";Expression={$_.Size/1GB -as [int]}},
@{Name="FreeGB";Expression={[math]::Round($_.Freespace/1GB,2)}}
#B