UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 13, 2004

QLOGIC CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	0-23298	33-0537669
(State of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

26650 Aliso Viejo Parkway, Aliso Viejo, California
(Address of principal executive offices) 92656
(Zip Code)

Registrant’s telephone number, including area code: (949) 389-6000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

EXHIBIT 99.1

Item 2.02 Results of Operations and Financial Condition

     On October 13, 2004, the Registrant reported the financial results for its fiscal second quarter ended September 26, 2004. A copy of the press release issued by the Registrant concerning the foregoing results is furnished herewith as Exhibit 99.1 and is incorporated by reference.

     The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filings of the Registrant under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such filing. The information in this report, including the exhibit hereto, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

Item 9.01 Financial Statements and Exhibits

     (c) Exhibits

99.1 Press Release*, dated October 13, 2004, reporting the financial results of QLogic Corporation for its fiscal second quarter ended September 26, 2004.

* The press release is being furnished pursuant to Item 9.01, and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	QLOGIC CORPORATION
October 13, 2004	/s/ Anthony J. Massetti
	Anthony J. Massetti
	Vice President and
	Chief Financial Officer

EXHIBIT INDEX

Exhibit
Number	Description of Document
99.1	Press Release, dated October 13, 2004, reporting the financial results of QLogic Corporation for its fiscal second quarter ended September 26, 2004.