Lenovo Intel Xeon processor 00YE899, Thermal Design Power 135W, Clock Speed 2.60 GHz, Socket R3 (LGA2011-3), Tetradeca-core (14 Core), QuickPath Interconnect 9.60 GT/s, Overclocking Speed 3.50 GHz, Compatibility Lenovo x3550 M5 Server. Increase the processing power of your ThinkServer Dual-Socket systems with Intel Xeon E5-2600 family processors to boost your system's performance for advanced applications, technical computing, multithread applications.