Full Details on Amazon.com : http://www.amazon.com/gp/product/B000F7QTHQ?tag=tsukuyomi-20Processor - 1 X Intel Pentium D 940 3.2 Ghz ( 800 Mhz ) Dual-core - LGA775 SockeProcessor - 1 X Intel Pentium D 940 32 Ghz 800 Mhz Dual-core - LGA775 Socke