HP 434825-001 - Cooling fan assembly with heat sink (v1.0A) - For models with dual-core processor Retail
HP 646182-001 - Heat sink with fan - For use in models equipped with an Intel Dual Core i5 or i3 processor and a graphics subsystem with discrete v Retail
HP 721538-001 - Fan/heat sink assembly - For use in all models with discrete graphics - Includes replacement thermal material Retail
HP 595833-001 - Processor fan/heat sink assembly - For use with Discrete systems (includes replacement thermal material) Retail