Intel Core 2 Duo E4400 2.0GHz 2MB CPU Processor LGA775 SLA3F SLA5F SLA98 Frequency: 2000 MHz, Bus speed: 800 MHz Clock multiplier: 10, Socket: LGA775 2 cores, 2 threads, L2 cache: 2MB Thermal Design Power: 65 Watt Warranty:3 month