EXHIBIT 99.2


                                  CERTIFICATION
                       PURSUANT TO 18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Annual Report of PLX Technology, Inc. (the
"Company") on Form 10-K for the period ended December 31, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Rafael
Torres, Chief Financial Officer of the Company, certify as of the date hereof,
solely for purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

      (3)   The Report fully complies with the requirements of section 13(a) or
            15(d), as applicable, of the Securities Exchange of 1934; and

      (4)   The information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company at the dates and for the periods indicated.

      Date: March 13, 2003

By:       /s/ Rafael Torres
          ----------------------------
          Rafael Torres
          Chief Financial Officer