intel core 2 quad q9550s 2.83ghz 12mb 1333mhz intel core 2 quad processor processor no. : q9550s processor speed : 2.83 ghz bus speed : 1333 mhz l2 cache size : 12 mb package type : lga775 manufacturing tech : 45 nm thermal design power: 65w vid voltage range : 0.85v 1.3625v