Mellanox InfiniBand Accelerates the First 40Gb/s Supercomputer in the World on the TOP500 List

InfiniBand Momentum on the Top500 Continues with 16% Semi-Annual Growth, and Connects the Majority of Top 100 Supercomputers

SC08, AUSTIN, TX - November 18, 2008 – Mellanox® Technologies, Ltd. (NASDAQ: MLNX; TASE: MLNX), a leading supplier of semiconductor-based, server and storage interconnect products, today announced that its 40Gb/s InfiniBand switches and adapters now power one of the world’s fastest supercomputers, and that InfiniBand continues to be the fastest-growing cluster interconnect represented on the industry’s TOP500 list. Among the top 500 supercomputers in the world reported in the 32nd edition of the TOP500 list, 142 systems (28 percent) are connected with InfiniBand, an increase of 16 percent for InfiniBand-based systems compared to the previous TOP500 list published in June 2008.

Mellanox ConnectX® 20Gb/s and 40Gb/s InfiniBand adapters and switch systems based on its InfiniScale® III and IV switch silicon provide scalable, low-latency, and power-efficient interconnect for the world’s fastest supercomputer and the majority of other top 100 systems. Mellanox’s proven 40Gb/s InfiniBand is the fastest interconnect technology available, and was first used in a system at Virginia Tech.

The total number of InfiniBand-connected CPU cores on the TOP500 list has grown 153 percent, from 340,000 in 2007 to 860,000 in 2008, which is nearly twice the growth average among the top 500 supercomputers. This highlights increasing demand for InfiniBand (and Mellanox 40Gb/s in particular) as a way to maximize computing resources, productivity and performance in the world’s fastest computer systems.

“Mellanox’s interconnect products provide leading technology and device architecture for scalable and reliable high-performance and low power consumption, and are proven to optimize the world’s most demanding computing and storage applications,” said Eyal Waldman, president, chairman and CEO of Mellanox Technologies. “We are pleased that our proven 40Gb/s technology is being fully utilized as the foundation of high-performance research activities, and that our InfiniBand adapters and switches are the leading connectivity solutions for the fastest supercomputers in the world. As the most reliable, scalable, power efficient and highest performing InfiniBand solutions, Mellanox products continue to support the ever-increasing performance needs of world-leading research facilities, educational centers and commercial data centers.”

Published twice a year and publicly available at, the TOP500 list ranks the world’s most powerful computer systems according to the Linpack benchmark rating system. The TOP500 list is a respected industry report that indicates usage trends in computing and interconnect solutions.

Highlights of InfiniBand usage on the November 2008 TOP500 list include:

  • Mellanox InfiniBand interconnect products occupy 4 of the top 10 most prestigious positions 
  • All InfiniBand-based clusters (142 total supercomputers) use Mellanox switch silicon and over 95 percent integrate adapter products based on Mellanox silicon
  • InfiniBand is the only industry standard interconnect used in the top 79 (44 total supercomputers) – all based on Mellanox adapter cards and switch silicon
  • Mellanox InfiniBand interconnect products present in the TOP500 are used by a diverse list of applications, from large-scale, high-performance computing to commercial technical computing and enterprise data centers
  • The average efficiency of all reported InfiniBand-based supercomputers is 75 percent  (significantly higher than 51 percent for Gigabit Ethernet supercomputers), which reduces power, cooling, cost, floor space and total cost of ownership
  • InfiniBand is the most used interconnect among the top 100 supercomputers with 54 clusters, more than five times the number of Gigabit Ethernet-based clusters (10), and nine times the number of proprietary high speed cluster  interconnects
  • The total number of InfiniBand-connected CPU cores on the list has grown from 340,000 in November 2007 to 860,000 in 2008 (153 percent yearly growth), which is nearly double the growth in the total TOP500 list
  • InfiniBand is the only growing clustered interconnect in the TOP500 with a nearly 20 percent growth rate compared to June 2008
  • The total performance of InfiniBand-based systems has grown from 6PFlops to 8.8PFlops (333 percent yearly growth).
  • The entry level for the TOP500 list is 12.6TFlops, 113 percent higher than the 5.9TFlops necessary to be on the November 2007 list.

About Mellanox
Mellanox Technologies is a leading supplier of semiconductor-based, interconnect products to world-class server, storage, and infrastructure OEMs servicing Fortune 500 data centers, the world’s most powerful supercomputers, and mission critical embedded applications.

Founded in 1999, Mellanox Technologies is headquartered in Santa Clara, California and Yokneam, Israel. For more information, visit Mellanox at

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995:
All statements included or incorporated by reference in this release, other than statements or characterizations of historical fact, are forward-looking statements. These forward-looking statements are based on our current expectations, estimates and projections about our industry and business, management's beliefs and certain assumptions made by us, all of which are subject to change.
Forward-looking statements can often be identified by words such as "anticipates," "expects," "intends," "plans," "predicts," "believes," "seeks," "estimates," "may," "will," "should," "would," "could," "potential," "continue," "ongoing," similar expressions and variations or negatives of these words. These forward-looking statements are not guarantees of future results and are subject to risks, uncertainties and assumptions that could cause our actual results to differ materially and adversely from those expressed in any forward-looking statement.
The risks and uncertainties that could cause our results to differ materially from those expressed or implied by such forward-looking statements include the continued expansion of our InfiniBand products into the world’s TOP500 list of supercomputers and into other high performance computing clusters, the continued, increased demand for industry standards-based technology, our ability to react to trends and challenges in our business and the markets in which we operate, our ability to anticipate market needs or develop new or enhanced products to meet those needs, the adoption rate of our products, our ability to establish and maintain successful relationships with our OEM partners, our ability to compete in our industry; fluctuations in demand, sales cycles and prices for our products and services and our ability to protect our intellectual property rights. 
In addition, current uncertainty in the global economic environment poses a risk to the overall economy as businesses may defer purchases in response to tighter credit conditions and negative financial news, which could adversely affect demand for our products.  Consequently, our results could differ materially from our prior results due to these general economic and market conditions, political events and other risks and uncertainties described more fully in our documents filed with or furnished to the Securities and Exchange Commission.

More information about the risks, uncertainties and assumptions that may impact our business is set forth in our Form 10-Q filed with the SEC on November 7, 2008 and our Form 10-K filed with the SEC on March 24, 2008, including “Risk Factors”.  All forward-looking statements in this press release are based on information available to us as of the date hereof, and we assume no obligation to update these forward-looking statements.
Mellanox, ConnectX, InfiniBlast, InfiniBridge, InfiniHost, InfiniRISC, InfiniScale, and InfiniPCI are registered trademarks of Mellanox Technologies, Ltd. Virtual Protocol Interconnect is a trademark of Mellanox Technologies, Ltd. All other trademarks are property of their respective owners.

For more information:
Mellanox Technologies
Brian Sparks

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