HP 646671-001 - System board (motherboard) - Features the Intel HM65 Express Chipset - For use in models equipped with an Intel Dual Core i5 or i3

System board (motherboard) - Features the Intel HM65 Express Chipset - For use in models equipped with an Intel Dual Core i5 or i3 processor, and a graphics subsystem with UMA videomemory - Includes replacement thermal material