Clock Speed: 1.4 GHz Socket Type: Socket 478Level 2 Cache Size: 256MB Level 2 Cache Speed: 1.4 GHz Front Side Bus Speed: 400 MHz Misc features: SSE2 Produce Technology: 0.18 micron Voltage: 1.75VMaximal Operating Temperature: 72 degrees centigrade Intel Part Numbers: SL5UE, BX80531NK140G