Xeon E3-1280 v2 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 E3 family and has a Ivy Bridge architecture. This processor is built on Intel Socket 1155, and uses Gen 3, 16 Lanes(CPU only) PCI express connection. 22 nm process is used in production.
Processor has 4 cores and 8 threads, with the base frequency of 3.6 GHz. It has DDR3 Dual-channel memory support. As for the cache, it supports L1 64K (per core), L2 256K (per core) and L3 8MB (shared).