Core 2 Extreme QX6800 is a desktop processor from Intel released on 9 April 2007, and it is in end-of-life production status now. It belongs to Core 2 Extreme family and has a Kentsfield architecture. This processor is built on Intel Socket 775, 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 2.933 GHz. It has DDR1, DDR2, DDR3 Dual-channel memory support. As for the cache, it supports L1 64K (per core) and L2 8MB (shared).