HP Intel Core 2 Quad Q9550, Intel® Core™2 Quad, LGA 775 (Socket T), 45 nm, Q9550, 2.83 GHz, 64-bit
HP Intel Core 2 Quad Q9550. Processor family: Intel® Core™2 Quad, Processor socket: LGA 775 (Socket T), Processor lithography: 45 nm