Xeon E5-4650 is a server/workstation processor from Intel released on 14 May 2012, and it is in cpu.details.production-unknown now. It belongs to Xeon E5 family and has a Sandy Bridge-EP architecture. This processor is built on Intel Socket 2011, and uses Gen 3 PCI express connection. 32 nm process is used in production.
Processor has 8 cores and 16 threads, with the base frequency of 2.7 GHz. It has DDR3 Quad-channel memory support. As for the cache, it supports L1 64K (per core), L2 256K (per core) and L3 20MB (shared).