Intel Core 2 Extreme QX6700 Quad Core Processor Description: Core 2 Extreme QX6700 Quad Core Processor Manufacturer: Intel Processor Class: Intel Core 2 Duo Extreme Processor Socket: Intel Socket T (LGA775) Dual Core Processor: 4 Bus Speed: 1066 MHz Processor Speed: 2660 Processor Speed + Class Bus Speed: 1066 MHz Processor Speed: 2.66 GHz Processor Class: Intel Core 2 Duo Extreme Physical + Memory Specifications Number of Processor Cores: 4 L2 Cache Size: 8 MB L1 Cache Size: 128 kB Processor Socket: Intel Socket T (LGA775) Warranty Warranty Information: 3 Year Limited Warranty