Core 2 Duo E6700 2.66GHz - Processor Frequency (GHz): 2.66 GHz Processor Manufacturer: Intel Processor Core: Dual-core Clock Speed: 2.66 GHz L1 Cache: 64 KB L2 Cache: 4 MB Process Technology: 65 nm FSB Speed: 1066 MHz Processor Technology: Enhanced SpeedStep Technology Processor Socket: Socket T LGA-775