EXHIBIT 32.1
                            CERTIFICATION PURSUANT TO
      SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002, 18 U.S.C. SECTION 1350

In connection with the Annual Report of Manchester Technologies, Inc. (the
"Company") on Form 10-K for the fiscal year ended July 31, 2003, as filed with
the Securities and Exchange Commission on or about the date hereof (the
"Report"), I, Barry R. Steinberg, President and Chief Executive Officer of the
Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

     (1)  The Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company.


Date: October 28, 2003                      /S/    BARRY R. STEINBERG
                                            -------------------------
                                                  Barry R. Steinberg
                                           President and Chief Executive Officer