Core 2 Extreme QX9300 is a mobile processor from Intel released on 1 August 2008, and it is in end-of-life production status now. It belongs to Core 2 Extreme family and has a Penryn QC XE architecture. This processor is built on Intel Socket P, and uses unknown PCI express connection. 45 nm process is used in production.
Processor has 4 cores and 4 threads, with the base frequency of 2.534 GHz. It has unknown memory support. As for the cache, it supports L1 64K and L2 6MB (per die).