Press Release: June 27, 2007

HP Retakes Lead on TOP500 List of World's Fastest Supercomputers

PALO ALTO, Calif., June 27, 2007

HP today announced that it ranks as the No. 1 supercomputing provider on the TOP500 Supercomputer list,(1) which catalogs the world's 500 most powerful installed technical and commercial computer systems.

With 203 entries, representing more than 40 percent of the posted sites, HP has more installations on the TOP500 list than any other vendor.

Due to the strong momentum of the powerful HP BladeSystem c-Class servers, HP increased its share on this exclusive list by nearly 10 percent compared to its November 2006 ranking. HP Cluster Platform 3000BL and 4000BL systems based on HP BladeSystem c-Class servers accounted for 152 entries on the list.

HP BladeSystem c-Class servers, the overall market share leader for blade servers, are the ideal platform for high-performance computing clusters due to their support for high-performance interconnects, increased processor and node support, simplified management, reduced interconnect and network complexity, high density and efficient power and cooling.

"To lead in both market share and the TOP500 list underscores how HP is driving high-performance computing mainstream while advancing innovation at the top," said Winston Prather, vice president and general manager, High Performance Computing, HP. "The latest TOP500 list shows that the HPC market is increasingly moving to industry standards-based clusters, such as the HP Unified Cluster Portfolio offerings, that run Linux and blade systems and offer great performance, cost far less and run many more HPC applications."

More than 75 percent of systems on the TOP500 list consist of clusters based on AMD and Intel® industry-standard processor technology.

Customer momentum

HP continues to see momentum in the high-performance computing space with recent customer wins:

  • A Swedish government agency will install a 182-teraflop clustered system based on 2,128 HP ProLiant BL460c blade servers. The system is expected to earn a top spot on the next release of the TOP500 list.

  • The Swedish National Supercomputer Centre (NSC) will deploy a 60-teraflop cluster with 805 HP ProLiant DL140 G3 servers. The NSC system is also expected to achieve a high ranking on the next release of the TOP500 list of supercomputers. The NSC operates large-scale shared memory and cluster computing systems for nationwide academic use, as well as computing resources for climate research, weather forecasts and Saab AB's processing needs.

The rankings

The TOP500 ranking of supercomputers is released twice a year by researchers at the Universities of Tennessee and Mannheim, Germany, and at NERSC Lawrence Berkeley National Laboratory. The list ranks supercomputers worldwide based on the Linpack N*N Benchmark, a yardstick of performance that is a reflection of processor speed and scalability.

More information about HP high-performance computing is available at

About HP

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(1) The complete listing of TOP500 Supercomputer sites is available at

Intel is a registered trademark of Intel Corp. or its subsidiaries in the United States and other countries. AMD is a trademark of Advanced Micro Devices, Inc. in the United States and/or other jurisdictions.

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About HP

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