Athlon 64 4000+ is a desktop processor from AMD released on 20 February 2007, and it is in end-of-life production status now. It belongs to Athlon 64 family and has a Windsor architecture. This processor is built on AMD Socket AM2, 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 2.6 GHz. It has DDR2 Dual-channel memory support. As for the cache, it supports L1 128K and L2 512K.