IBM Intel Xeon DP E5640 2.66GHz Processor Upgrade - Quad-Core - 5.86GT/s QPI - 1MB L2-12MB L3 - Socket B LGA-1366
Designed for industry-leading performance and maximum energy efficiency, these versatile 1-way and 2-way 64-bit multi-core servers and workstations are ideally suited to a wide range of infrastructure, cloud, high-density, and high performance computing (HPC) applications.