Mercury Computer Systems and P.A. Semi Collaborate to Bring PWRficient Processor to Signal and Image Processing Applications

Mercury to expand breadth of multicore offerings for up to 300% improvement in performance per Watt for industrial and military systems

CHELMSFORD, Mass. and SANTA CLARA, Calif. - June 7, 2007 - Mercury Computer Systems, Inc. (NASDAQ: MRCY), a leading provider of computing solutions for data-intensive applications, and P.A. Semi, Inc., a fabless semiconductor company delivering high-performance, low-power processors, today announced a collaboration to deploy the dual-core PA6T-1682M PWRficient(TM) processor as part of multicomputer product offerings from Mercury.

"Processor power consumption becomes a larger challenge every year, particularly in the high-performance class," said Craig Lund, Chief Technology Officer for Mercury Computer Systems. "What's most important to many of our signal and image processing customers is GFLOPS per Watt. We have assessed every available option, and P.A. Semi's PWRficient processor is the clear leader for many of these applications. The power-efficient design enables us to load the system with multiple processors per board without resorting to exotic cooling technology."

Mercury systems are often deployed in industrial and military settings that require careful management of power and heat. At the same time, customers strive to extract every ounce of performance in these tough environments. By incorporating the high-performance PWRficient processor into its system designs, Mercury systems will take advantage of a processor performance per Watt increase of up to 300% over alternative solutions.

"Mercury is well suited to deploy this highly optimized processor in complex multicomputer environments. As the leading supplier of image and signal processing equipment based on multicomputers, Mercury's selection of P.A. Semi combines its system-level expertise with our leading PWRficient processors, strongly reinforcing our position that P.A. Semi represents the highest performance-per-watt solution currently available for embedded computing applications," said Dan Dobberpuhl, C.E.O., P.A. Semi.

Mercury has selected the PWRficient processor for designs currently underway for next-generation products in all four PowerStream® product lines. These product lines represent multiple form factors that include 6U VXS, 3U and 6U VPX-REDI, and larger form-factor systems. Mercury is also making available an early development board in the VXS form factor with PMC/XMC I/O for application developers.

For more information on the PWRficient processor, visit P.A. Semi at Visit or contact Mercury at (866) 627-6951 for more information on Mercury's PWRficient multicore-based offerings. Mercury and P.A. Semi will host a webcast on "Power-Efficient Multicore Processors for High-Performance Embedded Applications" on June 28 at 2:00 PM EST. Visit to register for the webcast.

About P.A. Semi, Inc.
P.A. Semi develops and delivers the groundbreaking PWRficient(TM) processor family, the world's most power-efficient high-performance processors ever designed. The PWRficient processor family, based on the Power Architecture(TM) technology, targets the multibillion- dollar high-performance embedded-computing market and is supported by a comprehensive ecosystem of software tools, application software, operating systems and ODM hardware. The company has headquarters in Santa Clara, Calif., with a design and sales center in Wellesley, Mass. For more information, please visit

Mercury Computer Systems, Inc. - Where Challenges Drive Innovation
Mercury Computer Systems is the leading provider of computing systems and software for data-intensive applications that include image processing, signal processing, and visualization. With a strong commitment to innovation, our expertise in algorithm optimization, systems development, and silicon design is blended with software application knowledge and industry-standard technologies to solve unique computing challenges. We work closely with our customers to architect solutions that have a meaningful impact on everyday life: detecting aneurysms; designing safer, more fuel-efficient aircraft; identifying security threats; discovering oil; developing new drugs; and visualizing virtually every aspect of scientific investigation.

Mercury's comprehensive, purpose-built solutions capture, process, and present data for the world's largest medical imaging companies, 8 of the 10 top defense prime contractors, and other leading Fortune 500 and mid-market companies in semiconductor, energy, telecommunications, and other industries. Our dedication to performance excellence and collaborative innovation continues a 24-year history in enabling customers to stay at the forefront of the markets they serve.

Mercury is based in Chelmsford, Massachusetts and serves customers worldwide through a broad network of direct sales offices, subsidiaries, and distributors. We are listed on the Nasdaq National Market (NASDAQ: MRCY). Visit Mercury at

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