1
 
                                                                    EXHIBIT 23.1
 
                        CONSENT OF INDEPENDENT AUDITORS
 
The Board of Directors
QLogic Corporation:
 
     We consent to incorporation by reference in the registration statements on
Form S-8 (Nos. 33-75814 and 333-13137) of QLogic Corporation of our report dated
May 12, 1998, relating to the consolidated balance sheets of QLogic Corporation
as of March 29, 1998 and March 30, 1997, and the related consolidated statements
of income, stockholders' equity and cash flows for each of the years in the
three-year period ended March 29, 1998 and the related financial statement
schedule, which report appears in the March 29, 1998, annual report on Form 10-K
of QLogic Corporation.
 
KPMG PEAT MARWICK LLP
 
Orange County, California
June 16, 1998