Intel Core 2 Quad Q9650 3 GHz 12 MB Cache Quad-Core CPU Processor SLB8W LGA 775 Family: Intel Core 2 Quad Q9650 Part number: AT80569PJ080N, BX80569Q9650, BXC80569Q9650 Frequency (GHz): 3 Socket type: Socket 775 (LGA775) Processor core: Yorkfield