Japan Wows with World's Fastest Computer

The system is still under construction and will enter service in November 2012 with 864 cabinets. It currently uses 68,544 2.0GHz 8-core SPARC64 VIIIfx processors packed in 672 cabinets, for a total of 548,352 cores, manufactured by Fujitsu with 45 nm CMOS process technology.Each cabinet contains 96 compute nodes in addition to 6 IO nodes. Each compute node contains a single processor and 16 GB of memory. Its water cooling system minimizes failure rate and power consumption. The speed of

Other site reference:

http://www.fujitsu.com/downloads/TC/sc10/when-high-performance-computing-meets-energy-efficiency.pdf