Phenom X4 9550 is a desktop processor from AMD released on 27 March 2008, and it is in end-of-life production status now. It belongs to Phenom X4 family and has a Agena architecture. This processor is built on AMD Socket AM2+, and uses Gen 2 PCI express connection. 65 nm process is used in production.
Processor has 4 cores and 4 threads, with the base frequency of 2.2 GHz. It has unknown Dual-channel memory support. As for the cache, it supports L1 128K (per core), L2 512K (per core) and L3 2MB (shared).