Product Detail Processor Speed - E5200 / 2.50-GHz Processor Class - Pentium Dual Core Wattage - 65W Additional Technologies - Intel EM64T, Enhanced Intel Speedstep, Dual-Core, Enhanced Halt State, Execute Disable Bit, and Intel Thermal Monitor 2 . The "Intel Pentium Dual-Core E5200 Processor, 2.5 GHz, 2M L2 Cache, 800MHz FSB, LGA775" is best product for you. We recommended Intel Pentium Dual-Core E5200 Processor, 2.5 GHz, 2M L2 Cache, 800MHz FSB, LGA775