ESXi Hardware Details

function serial([string]$host3)
{
Connect-VIServer $host3 -User <use_name> -Password <password>
$host1 = Get-VIEw -ViewType hostsystem
$i = 0
foreach ($host2 in $host1)
{
$i = 1  + $i
$name = $host2.name
$esxcli = Get-EsxCli -VMHost $name
$SN22 += @($host2 | Select-Object name, @{N = "Serial Number"; E = {($esxcli.hardware.platform.get()).serialnumber}},
                                    @{N = "Product Name"; E = {($esxcli.hardware.platform.get()).ProductName}},
                                    @{N = "Vender Name"; E = {($esxcli.hardware.platform.get()).VendorName}},
                                    @{N = "UUID"; E = {($esxcli.hardware.platform.get()).UUID}})
}
Write-Output "enter the path details to get the file in csv, example:  c:\test.csv "
$SN22 | Export-Csv (read-host "Enter the CSV path ")
}
function serial_esx([string]$host3,[string]$ESX_name)
{
Connect-VIServer $host3 -User <use_name> -Password <password>
$host1 = Get-VIEw -ViewType hostsystem -Filter @{"name" = "$ESX_name"}
$name = $host2.name
$esxcli = Get-EsxCli -VMHost $ESX_name
$SN22 = @($host2 | Select-Object name, @{N = "Serial Number"; E = {($esxcli.hardware.platform.get()).serialnumber}},
                                    @{N = "Product Name"; E = {($esxcli.hardware.platform.get()).ProductName}},
                                    @{N = "Vender Name"; E = {($esxcli.hardware.platform.get()).VendorName}},
                                    @{N = "UUID"; E = {($esxcli.hardware.platform.get()).UUID}})
$SN22
disConnect-VIServer $host3 -Confirm:$false
}
$gg = Read-Host "press 1 to get the serial number for complete VC
                        press 2 to get the serial number for for only one ESX
                        Now  press and enter "
if ($gg -eq "1")
{
$read_vc = Read-Host " please enter the VC name  "
serial $read_vc
}
if ($gg -eq "2")
{
$read_vc = Read-Host " please enter the VC name  "
$read_ESX = Read-Host " please enter the ESX name with xxxx.enterprisenet.org "
serial_esx $read_vc $read_ESX
}