UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549



                                    FORM 8-K

                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


                Date of Report (Date of earliest event reported)

                                 January 5, 2004


                              QUALSTAR CORPORATION
             (Exact name of registrant as specified in its charter)

           California                     000-30083              95-3927330
(State or other jurisdiction of    (Commission File Number)    (IRS Employer
         incorporation)                                      Identification No.)



   3990-B Heritage Oak Court, Simi Valley, CA                       93063
    (Address of principal executive offices)                      (Zip Code)

       Registrant's telephone number, including area code: (805) 583-7744



                             Exhibit Index on page 3

                                       1



Item 7. Financial Statements and Exhibits

(c)  Exhibits.

Exhibit Number                         Description

     99.1           Press release of Qualstar Corporation dated January 5, 2004.


Item 12. Results of Operations and Financial Condition.

     On January 5, 2004, Qualstar Corporation issued a press release regarding
preliminary results of operations for the fiscal second quarter ended December
31, 2003. A copy of this press release is being furnished as Exhibit 99.1 to
this Current Report on Form 8-K.

     In accordance with General Instruction B.6 of Form 8-K, the information in
this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed
"filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 or
otherwise subject to the liability of that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933.

                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                               QUALSTAR CORPORATION



January 5, 2004                                By:      /S/ Frederic T. Boyer
                                                   -----------------------------
                                                        Frederic T. Boyer
                                                        Chief Financial Officer

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                                  EXHIBIT INDEX


Exhibit Number                         Description

     99.1           Press release of Qualstar Corporation dated January 5, 2004.

                                       3