HP 685761-601 - System board (motherboard) - Intel HM75 Express Chipset - For use in models equipped with an Intel Core i5 or i3 processor, a graph

System board (motherboard) - Intel HM75 Express Chipset - For use in models equipped with an Intel Core i5 or i3 processor, a graphics subsystem with UMA video memory, and Windows 8 Professional Edition - Includes replacement thermal materials