Quick script to gather hardware and BIOS info on AD servers and export to CSV

Get-HardwareProfile.ps1

# Gather all servers
$servers = (Get-ADComputer -Filter *).name
# Create collection to capture results
$Results = @()
# Begin server loop
foreach ($server in $servers) {
    # Test if machine is online
    if (Test-Connection -ComputerName $server -Count 1 -Quiet -ErrorAction Stop) {
        # Create object for each machine's results
        $Result = New-Object -TypeName System.Object 

        $Result | Add-Member -MemberType NoteProperty -Name "Hostname" -Value $server
        # Get system info
        $system = Get-ciminstance -ClassName Win32_ComputerSystem -ComputerName $server
        # Write properties to object    
            $Result | Add-Member -MemberType NoteProperty -Name "Mfg" -Value $system.Manufacturer
            $Result | Add-Member -MemberType NoteProperty -Name "Model" -Value $system.Model

        $bios = Get-ciminstance -ClassName win32_bios -ComputerName $server
             $Result | Add-Member -MemberType NoteProperty -Name "BIOS Version" -Value $bios.SMBIOSBIOSVersion
    }
    else {
        Write-Warning "$server is offline"
    }
# Write result to the collection
$Results += $Result
    }
$Results | ConvertTo-Csv -NoTypeInformation | Out-File ServerResults.csv