Full Details from Amazon.com : http://www.amazon.com/gp/product/B00F28T7ZY?tag=onigi-20
Intel Xeon E5-2687W v2 Eight-Core Processor 3.4GHz 8.0GT/s 25MB LGA 2011 CPU BX80635E52687V2
Intel Xeon E5-2687W v2 Eight-Core Processor 34GHz 80GTs 25MB LGA 2011 CPU Retail
Model Intel Xeon Processor E5-2687W v2
Core Count 8
Clock Speed 34 GHz
Cache 25 MB
Socket LGA 2011