Intel Xeon E5640 Quad Core Processor 2.66 GHz 5.86 GT/s QPI 12MB Smart Cache 80W SLBVC BX80614E5640 Intel Xeon E5640 Quad Core Processor 2.66 GHz 5.86 GT/s QPI 12MB Smart Cache 80W SLBVC BX80614E5640