UPDATE 1-QLogic posts higher Q1 profit

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July 21 (Reuters) - QLogic Corp (QLGC.O), a supplier of components for data storage networks, reported a 66 percent jump in quarterly profit as it benefited from an increased demand for its host and network products.

QLogic, which dominates host products market along with rival Emulex Corp (ELX.N), gets almost 70 percent of its revenue from this business, with the core product being fiber channel host bus adapters -- used to connect a server to storage devices.

The Aliso Viejo, California-based company said net income for the first quarter was $31.6 million, or 24 cents a share, compared with $19 million, or 12 cents a share, a year ago.

Excluding special items, the company earned 31 cents a share for the quarter ended June 29.

Revenue rose 20 percent to $168.4 million. Host products sales rose 16 percent, while network products sales rose 22 percent during the quarter.

Analysts on average expected the company to earn 31 cents a share, excluding special items, on revenue of $167.1 million, according to Reuters Estimates.

Shares of QLogic, whose top customers are Hewlett-Packard Co (HPQ.N), International Business Machines Corp (IBM.N) and Sun Microsystems Inc (JAVA.O), were trading at $16.60 after the bell. They closed down 12 cents at $16.48 Monday on Nasdaq. (Reporting by Purwa Naveen Raman in Bangalore; Editing by Himani Sarkar)