SILVER PEAK COMPLETES HITACHI DATA SYSTEMS I-LAB™ QUALIFICATION FOR SAN REPLICATION

NX Appliances Interoperable with Leading Storage and Replication Solution

Santa Clara, Calif., June 15, 2009 Silver Peak Systems , the leader in data center Wide Area Network (WAN) optimization, today announced that the Silver Peak NX appliances have completed Hitachi Data Systems Interoperability-Lab (I-Lab) testing. Silver Peak is among the first WAN optimization solutions to achieve I-Lab qualification, which ensures proven interoperability between Hitachi Data Systems’ leading SAN solution and complementary network and storage products.

Silver Peak’s NX appliances were qualified by I-Lab with the Hitachi Universal Storage Platform and Hitachi Universal Replicator software. Testing was completed with both Cisco and Brocade Fibre Channel over IP (FCIP) environments.

Jeff Aaron, vice president of marketing at Silver Peak said, “The combined products let enterprises protect more data across longer distances, while lowering operational costs and enabling the transition from traditional private line to more cost-effective and flexible MPLS networks. We are pleased to be among the first WAN optimization vendor to complete I-Lab’s rigorous testing, as it is an enormous validation of our product, technology, and leadership position in the data center market.”

”I-Lab brings forth an environment where, together with our partners and business units, we can work together to ensure seamless SAN integration for our customers," said Roberto Basilio, Vice President, Storage Platforms Product Management, Hitachi Data Systems. “We applaud Silver Peak’s certification with Hitachi I-Lab, as Hitachi Data Systems’ SAN solutions are bolstered by companies like Silver Peak that help encourage further implementation.”

About Silver Peak Systems, Inc.
Silver Peak is the leader in scalable Wide Area Network (WAN) acceleration. The company’s award-winning NX appliances optimize all current and future applications across an entire enterprise, making Silver Peak strategic to a variety of core business initiatives, such as server centralization, real-time collaboration and disaster recovery. For more information on the Silver Peak solution, visit http://www.silver-peak.com/infocenter

NOTE: Silver Peak Systems, the Silver Peak logo, Network Memory and Silver Peak NX Series are trademarks of Silver Peak Systems, Inc.