HP 652544-001 - Graphics board heat sink - For use in models equipped with an NVIDIA graphics subsystem Retail
HP 596046-001 - Graphics board heat sink - For use only with models equipped with ATi graphics subsystems - Includes five replacement thermal pads Retail
HP 494211-001 - Graphics card heat sink - For use in notebook models equipped with ATI graphics cards Retail
HP 597571-001 - Graphics board heat sink - For use only with models equipped with nVidia graphics subsystems - Includes replacement thermal pads an Retail