Legacy Intel® Core™ Processor Intel Core i3-xxx HP Intel Core i3-540, Intel® Core™ i3, LGA 1156 (Socket H), 32 nm, Tray, i3-540, 3.06 GHz HP Intel Core i3-540. Processor family: Intel® Core™ i3, Processor socket: LGA 1156 (Socket H), Processor lithography: 32 nm