Get Windows system information

Get-SystemInfo.ps1

$Computers =  "localhost anotherhost01 yetanother01"
Clear-Host

foreach ($Computer in $Computers) 
{
    $computerSystem = get-wmiobject Win32_ComputerSystem -Computer $Computer
    $computerBIOS = get-wmiobject Win32_BIOS -Computer $Computer
    $computerOS = get-wmiobject Win32_OperatingSystem -Computer $Computer
    $computerCPU = get-wmiobject Win32_Processor -Computer $Computer
    $computerHDD = Get-WmiObject Win32_LogicalDisk -ComputerName $Computer -Filter drivetype=3
		write-host "System Information for: " $computerSystem.Name -BackgroundColor DarkCyan
		"-------------------------------------------------------"
		"Manufacturer: " + $computerSystem.Manufacturer
		"Model: " + $computerSystem.Model
		"Serial Number: " + $computerBIOS.SerialNumber
		"CPU: " + $computerCPU.Name

	ForEach ($HDD in $computerHDD){
		"HDD Capacity: "  + "{0:N2}" -f ($HDD.Size/1GB)
		"HDD Space: " + "{0:P2}" -f ($HDD.FreeSpace/$HDD.Size) + " Free (" + "{0:N2}" -f [math]::Round([string]($HDD.FreeSpace -as [decimal])/1024/1024/1024) + "GB)"
	}
		"RAM: " + "{0:N2}" -f [math]::Round([string]($computerSystem.TotalPhysicalMemory -as [decimal])/1024/1024/1024) +  " GB"
		"Operating System: " + $computerOS.caption + ", Service Pack: " + $computerOS.ServicePackMajorVersion
		"User logged In: " + $computerSystem.UserName
		"Last Reboot: " + $computerOS.ConvertToDateTime($computerOS.LastBootUpTime)
		""
		"-------------------------------------------------------"
}