HP 583261-001 - System board - Includes replacement thermal material - For use with 6445b models Retail
HP 753090-001 - Heat sink - Includes replacement thermal material - For use in models with UMA graphics Retail
HP 753089-001 - Heat sink - Includes replacement thermal material - For use in models with discrete graphics Retail
HP 613399-001 - Heat sink - Includes replacement thermal material - For use on 6555b and 6455b models Retail
HP 658543-001 - Heat sink - Includes replacement thermal material - For use in models with UMA graphics Retail
