Rackable Systems Expands Offerings With New Line Of Dual-Core AMD Opteron™ Processors, Models 885 And 285

- Data Center Server and Storage Provider Offers High Efficiency Designs with Improved Price Performance Per Watt -

MILPITAS, CALIF. -- 3/6/2006 -- Rackable Systems, Inc. (Nasdaq: RACK), a provider of servers and storage products for large scale data center deployments, today announced the adoption of the newest Dual-Core AMD Opteron™ processors, Models 885 and 285. Available across Rackable Systems' line of thermally efficient rack-mount and hybrid blade server designs, the newest evolution in AMD64 dual-core processor technology will offer even higher performance based on the existing 95-watt power infrastructure. The Dual-Core AMD Opteron Model 185 processors will be integrated into Rackable Systems' server designs next month when they are released.

"We’re seeing tremendous traction with multi-core computing,” said Giovanni Coglitore, chief technology officer at Rackable Systems. “Our customers are experiencing the real-life advantages that our power-friendly designs—coupled with the highly efficient AMD Opteron processor—can offer."

Rackable Systems products are based on an open architecture approach to achieve highly flexible, scalable configurations for customers worldwide. Known for its award-winning, thermally efficient designs, Rackable Systems servers with the AMD Opteron processor achieve high performance and efficiency without compromising density.

“We salute Rackable Systems as one of the top sellers of AMD Opteron processor-based systems,” said Randy Allen, corporate vice president, Server and Workstation Division, AMD (NYSE: AMD). “Dual-Core AMD Opteron processors with Direct Connect Architecture provide leading-edge performance within the same power infrastructure as single-core processors to address the escalating performance and efficiency requirements of customers in demanding data center and storage environments.”

About Rackable Systems
Rackable Systems, Inc. (Nasdaq: RACK) is a provider of servers and storage products for scale out data center deployments. The company's servers are designed to provide benefits in the areas of density, thermal efficiency, serviceability, power distribution and remote management. Founded in 1999 and based in Milpitas, California, Rackable Systems serves Internet, semiconductor design, enterprise software, federal government, entertainment, financial services, oil and gas exploration and biotechnology customers worldwide.

To learn more about Rackable Systems, go to www.rackable.com, call 408-240-8300, or write to info@rackable.com.

Rackable Systems® is a registered trademark of Rackable Systems, Inc. AMD, the AMD Arrow logo, AMD Opteron, and combinations thereof, are trademarks of Advanced Micro Devices, Inc. All other trademarks are property of their respective holders.