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-OXLEY ACT 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
Annual Report of NETGEAR, Inc. on Form 10-K for the fiscal year ended December
31, 2003 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 Annual
Report on Form 10-K 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
Annual Report of NETGEAR, Inc. on Form 10-K for the fiscal year ended December
31, 2003 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 Annual
Report on Form 10-K 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