Voltaire FCA™ Software Reduces Runtime of Leading Commercial HPC Applications By Up to 30%, According to New Benchmarks with Platform Computing and HP

Voltaire FCA Software Now Available for Platform MPI

CHELMSFORD, Mass. & RA’ANANA, Israel — (BUSINESS WIRE) — October 26, 2010Voltaire Ltd. (NASDAQ: VOLT), a leading provider of scale-out data center fabrics, today announced the availability of Voltaire’s Fabric Collective Accelerator™ (FCA™) solution for environments using Platform MPI. Voltaire FCA is a software and hardware solution that speeds up message passing interface (MPI) performance over x86 based clusters to accelerate performance of high performance computing (HPC) applications such as reservoir modeling, fluid dynamics, crash analysis and others.

In a new benchmark test conducted by HP, Voltaire FCA software improved performance of ANSYS FLUENT between 14 and 30% and CD-Adapco Star-CD AClass by 10%. The 192 core benchmark environment consisted of 96 HP BL460 blade servers, Voltaire Grid Director™ 40 Gb/s InfiniBand switches and Platform MPI.

Voltaire FCA software accelerates MPI collective operations by using Voltaire switches and their on-board processors to offload significant parts of group communication onto the switching fabric while Voltaire Unified Fabric Manager™ software (UFM™) orchestrates an efficient, topology-based collective flow. Working in concert, these products ensure that all bottlenecks are removed, at both the server and interconnect levels. The computational acceleration is achieved transparently without requiring changes to the application.

Platform MPI is a high performance, production–quality implementation of the Message Passing Interface (MPI). It is widely used in the high performance computing industry and is considered the de facto standard for developing scalable, parallel applications. Platform MPI supports the broadest range of industry standard platforms, interconnects and operating systems helping ensure that parallel applications can run anywhere.

“Gaining a ten to thirty percent improvement in application performance is very significant and can mean substantial gains in competitive advantage for a business,” said Asaf Somekh, Vice President of Marketing, Voltaire. “The integration of Voltaire FCA software and Platform MPI enables a broader range of HPC customers to leverage these new performance advancements.”

“Scaling parallel application performance over large HPC clusters is a known challenge due to the inherent limitations of parallel communication,” said Tripp Purvis, Vice President, Business Development, Platform Computing. “The combination of Platform MPI and Voltaire FCA enables a quantum leap in MPI-and HPC- application performance over x86-based clusters.”

“Organizations with high performance computing needs require superior application performance in order to tackle their unique range of engineering challenges,” said Ed Turkel, Manager, High Performance Computing Marketing, HP. “The new benchmarks demonstrate how Voltaire FCA, Platform MPI and HP ProLiant BL460c server blades can help clients exceed their application performance requirements by eliminating potential bottlenecks.”

Voltaire FCA software for Platform MPI is available immediately. More information is available at www.voltaire.com/fca.

Live Webinar: “A New Approach to Extreme Application Scalability”

Voltaire is hosting a live webinar event with Platform Computing and HP today, Tuesday, October 26, 2010, at 1:00 pm ET (5:00 pm GMT) to provide a technical solution overview and a more detailed review of the benchmark results. Registration for the event is located at www.voltaire.com/application-scalability.

About Voltaire

Voltaire (NASDAQ: VOLT) is a leading provider of scale-out computing fabrics for data centers, high performance computing and cloud environments. Voltaire’s family of server and storage fabric switches and advanced management software improve performance of mission-critical applications, increase efficiency and reduce costs through infrastructure consolidation and lower power consumption. Used by more than 30 percent of the Fortune 100 and other premier organizations across many industries, including many of the TOP500 supercomputers, Voltaire products are included in server and blade offerings from Bull, Fujitsu, HP, IBM, NEC and SGI. Founded in 1997, Voltaire is headquartered in Ra’anana, Israel and Chelmsford, Massachusetts. More information is available at www.voltaire.com or by calling 1-800-865-8247.

Forward Looking Statements

Information provided in this press release may contain statements relating to current expectations, estimates, forecasts and projections about future events that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally relate to Voltaire’s plans, objectives and expectations for future operations and are based upon management’s current estimates and projections of future results or trends. They also include third-party projections regarding expected industry growth rates. Actual future results may differ materially from those projected as a result of certain risks and uncertainties. These factors include, but are not limited to, those discussed under the heading “Risk Factors” in Voltaire’s annual report on Form 20-F for the year ended December 31, 2009. These forward-looking statements are made only as of the date hereof, and we undertake no obligation to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise.

All product and company names mentioned herein may be the trademarks of their respective owners.

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