Lenovo Server Processor 00YE895, 8-Core, Clock Speed 2.1GHz, Max Turbo Frequency 3.0ghz, Quickpath Interconnect QPI Speed 8.0GT/S, Instruction Set Extensions AVX 2.0, Compatible Processor Socket FCLGA2011. 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, virtualization, and multitasking.