EXHIBIT 32.1

      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEYACT OF 2002

      I, Patrick C.S. Lo, certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the
Quarterly Report of NETGEAR, Inc. on Form 10-Q for the three months ended
October 3, 2004 fully complies with the requirements of Section 13(a) or 15(d)
of the Securities Exchange Act of 1934 and that information contained in such
Quarterly Report on Form 10-Q fairly presents in all material respects the
financial condition and results of operations of NETGEAR, Inc.

                                    By: /s/ Patrick C.S. Lo
                                        ----------------------------------------
                                            Patrick C.S. Lo
                                            Director and Chief Executive Officer

      I, Jonathan R. Mather, certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the
Quarterly Report of NETGEAR, Inc. on Form 10-Q for the three months ended
October 3, 2004 fully complies with the requirements of Section 13(a) or 15(d)
of the Securities Exchange Act of 1934 and that information contained in such
Quarterly Report on Form 10-Q fairly presents in all material respects the
financial condition and results of operations of NETGEAR, Inc.

                                    By: /s/ Jonathan R. Mather
                                        ----------------------------------------
                                            Jonathan R. Mather
                                            Chief Financial Officer

This certification accompanies the Form 10-Q to which it relates, is not deemed
filed with the Securities and Exchange Commission and is not to be incorporated
by reference into any filing of the Registrant under the Securities Act of 1933
or the Securities Exchange Act of 1934 (whether made before or after the date of
this Form 10-Q), irrespective of any general incorporation language contained in
such filing.