EXHIBIT 32.1

                            CERTIFICATION PURSUANT TO
            RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934
                           AND 18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the quarterly  report of Manchester  Technologies,  Inc.
(the  "Company") on Form 10-Q for the period ended April 30, 2005, as filed with
the Securities  and Exchange  Commission on the date hereof (the  "Report"),  I,
Barry R. Steinberg, Chief Executive Officer of the Company, certify, to the best
of my knowledge, pursuant to Rule 13a-14(b) under the Securities Exchange Act of
1934 and 18 U.S.C.  Section  1350,  as adopted  pursuant  to Section  906 of the
Sarbanes-Oxley Act of 2002, that:

(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
     respect, the financial condition and results of operations of the Company.


Date:   June 10, 2005                                /S/ Barry R. Steinberg
                                                        --------------------
                                                     Barry R. Steinberg
                                                     Chief Executive Officer



A signed  original of this written  statement  required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the electronic version of this written statement
required by Section 906, has been provided to the Company and will be retained
by the Company and furnished to the Securities and Exchange Commission or its
staff upon request.