I hope this helps someone!
Import-Module ActiveDirectory
$computers = "PC1","PC2" # Optionally use Get-Content -Path C:\computers.txt
$computers | ForEach-Object {
$computer = "$($_)$"; Get-ADComputer -Filter { SamAccountName -eq $computer } |
Move-ADObject -TargetPath "OU=Retired Workstations,OU=Company,DC=company,DC=corp"
}
// michael