Opteron 856 is a server/workstation processor from AMD released on 1 April 2006, and it is in end-of-life production status now. It belongs to Opteron family and has a Athens architecture. This processor is built on AMD Socket 940, and uses Gen 2 PCI express connection. 90 nm process is used in production.
Processor has 1 cores and 1 threads, with the base frequency of 3 GHz. It has unknown Dual-channel memory support. As for the cache, it supports L1 128K and L2 1MB.
