Lenovo - 4XG0G89074 - Lenovo Intel Xeon E5-2630 v4 Deca-core (10 Core) 2.20 GHz Processor Upgrade - Socket LGA 2011-v3-2.50 MB - 25 MB Cache - 8 GT/s QPI - 64-bit Processing - 3.10 GHz Overclocking