HP 738701-001 - Power button board - Includes connector cable - For use in models with a 15.6-inch display Retail
HP 577661-001 - Power button board - For use only on computer models not equipped with WWAN capability - Includes two cables Retail
HP 583265-001 - Heat sink - Includes replacement thermal material - For use with 6445b and 6545b models Retail
HP 718436-001 - Power button board - Includes connector cable - For use in models with discrete graphics Retail