Dual-Core Intel Xeon processor 3100 series is available for those applications which are not able to take advantage of more than two processing cores. Of course it includes the industry leading performance and performance per watt of the Intel Core microarchitecture. Total Price Manufacturing Technology 45 nm L2 Cache Speed 3 GHZ L2 Cache Size: 6 MB Bus/Core Ratio 9 CPU Speed 3 GHz Bus Speed 1333MHZ