QLogic SANblade HBAs Used With HP Integrity Superdome Server Set Online Transaction Performance World Record

4Gb Fibre Channel HBAs Help Deliver 4,092,799 Transactions Per Minute in High Performance HP-UX Environments

Aliso Viejo, California, UNITED STATES

ALISO VIEJO, Calif., June 18, 2007 (PRIME NEWSWIRE) -- QLogic Corp. (Nasdaq:QLGC), the leader in Fibre Channel host bus adapters (HBAs), stackable switches and blade server switches, today announced that QLogic(r) SANblade(r) 2400 Series 4Gb Fibre Channel HBAs (HP model number HP AB379B) together with HP Integrity Superdome Itanium2 1.6GHz servers achieved an unprecedented TPC-C benchmark score of 4,092,799 transactions per minute (tpmC) in HP-UX 11i environments.

"These latest TPC-C results validate that customers benefit from the superior performance of QLogic SANblade 2400 Series HBAs," said Amit Vashi, senior director of marketing, QLogic Host Solutions Group. "Business-critical systems in enterprise datacenters utilize QLogic SANblade 2400 Series HBAs to ensure the highest performance in real world applications like Oracle Database."

"Performance scalability is crucial for customers to maximize the deployment of more powerful servers like the HP Integrity Superdome and drive business growth," said Lorraine Bartlett, director of worldwide server marketing, Business Critical Systems, HP. "With their superior scalability, QLogic SANblade 2400 Series 4Gb Fibre Channel HBAs played a significant part in this TPC-C breakthrough."

Developed by the Transaction Processing Performance Council (TPC), the TPC-C benchmark continues to be a popular yardstick for comparing online transaction processing (OLTP) performance on various hardware and software configurations. The TPC is a non-profit corporation founded to define transaction processing and database benchmarks and to disseminate objective, verifiable TPC performance data to the industry.

For TPC-C result highlights of the HP configuration, visit http://www.tpc.org/tpcc/results/tpcc_result_detail.asp?id=107022701.

SANblade Fibre Channel HBAs -- The Market Leader

QLogic has the largest installed base of 4Gb and 2Gb Fibre Channel HBA ports in the world, according to data from the Dell'Oro Group 1Q2006 SAN Report. The Dell'Oro report also shows that in 2006 QLogic became the first company to ship one million Fibre Channel HBA ports in a single year. The figures show that QLogic shipped 1.02 million Fibre Channel HBA ports last year, outpacing its nearest competitor by more than a quarter million ports.

About QLogic

QLogic is a leading supplier of high-performance storage networking solutions, producing the controller chips, host bus adapters (HBAs) and fabric switches that are the backbone of storage networks for most Global 2000 corporations. The company delivers a broad and diverse portfolio of products that includes Fibre Channel HBAs, blade server embedded Fibre Channel switches, Fibre Channel stackable switches, iSCSI HBAs, iSCSI routers and storage services platforms for enabling advanced storage management applications. The company is also a leading supplier of InfiniBand switches and InfiniBand host channel adapters for the emerging High Performance Computing Cluster (HPCC) market. QLogic products are delivered to small-to-medium businesses and large enterprises around the world via its channel partner community. QLogic products are also powering solutions from leading companies like Cisco, Dell, EMC, Hitachi Data Systems, HP, IBM, NEC, Network Appliance and Sun Microsystems. QLogic is a member of the S&P 500 Index.

Note: All QLogic-issued press releases appear on the company's website (www.qlogic.com). Any announcement that does not appear on the QLogic website has not been issued by QLogic.

Disclaimer -- Forward Looking Statements

This press release contains statements relating to future results of the company (including certain beliefs and projections regarding business trends) that are "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those projected or implied in the forward-looking statements. The company advises readers that these potential risks and uncertainties include, but are not limited to: potential fluctuations in operating results; gross margins that may vary over time; revenues may be affected by changes in IT spending levels; the stock price of the company may be volatile; the company's dependence on the storage area network market; the ability to maintain and gain market or industry acceptance of the company's products; the company's dependence on a limited number of customers; seasonal fluctuations and uneven sales patterns in orders from customers; the company's ability to compete effectively with other companies; declining average unit sales prices of comparable products; a reduction in sales efforts by current distributors; dependence on sole source and limited source suppliers; the company's dependence on relationships with certain silicon chip suppliers; the complexity of the company's products; sales fluctuations arising from customer transitions to new products; environmental compliance costs; international economic, regulatory, political and other risks; uncertain benefits from strategic business combinations; the ability to attract and retain key personnel; difficulties in transitioning to smaller geometry process technologies; the ability to protect proprietary rights; the ability to satisfactorily resolve any infringement claims; reliance on third party technology; the use of "open source" software in our products; changes in our tax provisions or adverse outcomes resulting from examination of our income tax returns; computer viruses and other tampering with the company's computer systems; and facilities of the company and its suppliers and customers are located in areas subject to natural disasters.

More detailed information on these and additional factors which could affect the company's operating and financial results are described in the company's Forms 10-K, 10-Q and other reports filed, or to be filed, with the Securities and Exchange Commission. The company urges all interested parties to read these reports to gain a better understanding of the business and other risks that the company faces. The forward-looking statements contained in this press release are made only as of the date hereof, and the company does not intend to update or revise these forward-looking statements, whether as a result of new information, future events or otherwise.

QLogic and the QLogic logo are registered trademarks of QLogic Corporation. SANblade is a registered trademark in the United States. Other trademarks and registered trademarks are the property of the companies with which they are associated.


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