CODE EXAMPLE FOR SHELL

powershell free disk space percentage all server liste

$ServerList = Get-Content -Path C:sampleServerList.txt

$Results = foreach($Server in $ServerList){
    $Memory = (Get-CimInstance -ClassName CIM_PhysicalMemory -ComputerName $Server |  Measure-Object -Property Capacity -Sum).Sum / 1GB
    $Disks  = Get-CimInstance  cim_LogicalDisk -ComputerName $Server | Where-Object -Property DriveType -EQ -Value 3
    $DriveC = $Disks | Where-Object -Property DeviceID -EQ -Value 'C:'
    $DriveD = $Disks | Where-Object -Property DeviceID -EQ -Value 'D:'
    [PSCustomObject]@{
        Server                  = $Server
        'PhysicalMemmory(GB)'   = $Memory
        'C: (GB)'               = [MATH]::Round( [LONG]($DriveC | Select-Object -ExpandProperty Size) / 1GB, 0)
        'Free Space on C: (GB)' = [MATH]::Round( [LONG]($DriveC | Select-Object -ExpandProperty FreeSpace) / 1GB, 0)
        'Free Space on C: (%)'  = [MATH]::Round([MATH]::Round( [LONG]($DriveC | Select-Object -ExpandProperty FreeSpace) / 1GB, 0) * 100 / [MATH]::Round( [LONG]($DriveC | Select-Object -ExpandProperty Size) / 1GB, 0), 0)
        'D: (GB)'               = [MATH]::Round( [LONG]($DriveD | Select-Object -ExpandProperty Size) / 1GB, 0)
        'Free Space on D: (GB)' = [MATH]::Round( [LONG]($DriveD | Select-Object -ExpandProperty FreeSpace) / 1GB, 0)
        'Free Space on D: (%)'  = [MATH]::Round([MATH]::Round( [LONG]($DriveD | Select-Object -ExpandProperty FreeSpace) / 1GB, 0) * 100 / [MATH]::Round( [LONG]($DriveD | Select-Object -ExpandProperty Size) / 1GB, 0), 0)
    }
} 
$Results  | Format-Table -AutoSize