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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-K/A


        FOR ANNUAL AND TRANSITION REPORTS PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

(Mark One)

[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934 For the fiscal year ended April 7, 2001

                                       OR

[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934

             For the Transition period from _________ to _________.

                         Commission file number 0-23418

                           MTI TECHNOLOGY CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

            Delaware                                           95-3601802
  -------------------------------                          ------------------
  (State or other jurisdiction of                            I.R.S. Employer
   incorporation or organization                           Identification No.)

                            4905 East La Palma Avenue
                            Anaheim, California 92807
               (Address of principal executive offices, zip code)

       Registrant's telephone number, including area code: (714) 970-0300

        Securities registered pursuant to Section 12(b) of the Act: None

           Securities registered pursuant to Section 12(g) of the Act:

                         Common Stock, $0.001 par value
                                (Title of Class)

     Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
Registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. YES [X] NO [ ]

     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of Registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ ]

     The aggregate market value of the voting stock held by non-affiliates of
the Registrant was $28,037,604 on May 16, 2001, based on the closing sale price
of such stock on The Nasdaq National Market. The number of shares outstanding of
Registrant's Common Stock, $0.001 par value, was 32,436,108 on May 16, 2001.


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     MTI Technology Corporation (the "Company") hereby amends its Annual Report
on Form 10-K for the year ended April 7, 2001 to include the following restated
items:

                                     PART IV

ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K:

     The following Consolidated Financial Statements of MTI and the Independent
Auditors' Report are attached hereto beginning on pages F-1 and S-1.

     (a)(1) Consolidated Financial Statements:

          Independent Auditors' Report

          Consolidated Balance Sheets as of April 7, 2001 and April 1, 2000

          Consolidated Statements of Operations for fiscal years 2001, 2000 and
               1999

          Consolidated Statements of Stockholders' Equity for fiscal years 2001,
               2000 and 1999

          Consolidated Statements of Cash Flows for fiscal years 2001, 2000 and
               1999

          Notes to Consolidated Financial Statements

     (2)  The following financial statement schedule for fiscal years 2001, 2000
          and 1999 is submitted herewith:

          Schedule II -- Valuation and Qualifying Accounts (See page 49)

          All other schedules are omitted because they are not applicable or
               the required information is shown in the Consolidated Financial
               Statements or notes thereto.

     (3)  Exhibits included herewith (numbered in accordance with Item 601 of
          Regulation S-K):

EXHIBIT
NUMBER                    DESCRIPTION
--------                  -----------

    3.1        Restated Certificate of Incorporation of the Company,
               incorporated by reference to Exhibit 3.1 of the Company's
               Registration Statement on Form S-1 (No. 33-75180).

    3.2        Restated Bylaws, incorporated by reference to Exhibit 10.51 of
               the Company's Quarterly Report on Form 10-Q for the quarterly
               period ended January 3, 1998.

    4.1        Form of Registration Rights Agreement between the Company and
               certain Purchasers, and schedule of such Purchasers, incorporated
               by reference to Exhibit 4.1 of the Company's Registration
               Statement on Form S-1 (No. 33-75180).

    4.2        Registration Rights Agreement among the Company, Dialogic System
               Corporation and NFT Ventures, Inc., dated June 15, 1992, as
               amended as of April 1, 1993 and as of February 11, 1994,
               incorporated by reference to Exhibit 4.2 of the Company's
               Registration Statement on Form S-1 (No. 33-75180).


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    4.3        Registration Rights Agreement between the Company and NFT
               Ventures, Inc., dated November 30, 1992, incorporated by
               reference to Exhibit 4.3 of the Company's Registration Statement
               on Form S-1 (No. 33-75180).

    4.4        Registration Rights Agreement between the Company and Dialogic
               Systems Corporation, dated November 30, 1992, incorporated by
               reference to Exhibit 4.11 of the Company's Registration Statement
               on Form S-1 (No. 33-75180).

    4.5        Specimen Stock Certificate, incorporated by reference to Exhibit
               4.12 of the Company's Registration Statement on Form S-1 (No.
               33-75180).

    4.6        Specimen of the Amended Stock Certificate, incorporated by
               reference to Exhibit 4.6 of the Company's Annual Report on Form
               10-K for the fiscal year ended April 7, 2001.

   10.1        Triple Net Lease between the Company and Catellus Development
               Corporation effective December 20, 1991, incorporated by
               reference to Exhibit 10.2 of the Company's Registration Statement
               on Form S-1 (No. 33-75180).

   10.2        Owner Participation Agreement between the Company, Catellus
               Development Corporation and Anaheim Redevelopment Agency, dated
               as of January 7, 1992, including exhibits, incorporated by
               reference to Exhibit 10.3 of the Company's Registration Statement
               on Form S-1 (No. 33-75180).

  *10.3        Form of Nonqualified Stock Option Agreement under the Stock
               Incentive Plan, incorporated by reference to Exhibit 10.14 of the
               Company's Registration Statement on Form S-1 (No. 33-75180).

  *10.4        Form of Indemnification Agreement, incorporated by reference to
               Exhibit 10.16 of the Company's Registration Statement on Form S-1
               (No. 33-75180).

  *10.5        Micro Technology, Inc. Incentive Stock Option Plan -- 1985,
               incorporated by reference to Exhibit 10.20 of the Company's
               Registration Statement on Form S-1 (No. 33-75180).

  *10.6        1987 Incentive Stock Option and Nonqualified Stock Option Plan of
               the Company (the "1987 Stock Option Plan"), incorporated by
               reference to Exhibit 10.21 of the Company's Registration
               Statement on Form S-1 (No. 33-75180).

  *10.7        Form of Incentive Common Stock Option Agreement under the 1987
               Stock Option Plan, incorporated by reference to Exhibit 10.22 of
               the Company's Registration Statement on Form S-1 (No. 33-75180).

  *10.8        Form of Nonqualified Common Stock Option Agreement under the 1987
               Stock Option Plan, incorporated by reference to Exhibit 10.23 of
               the Company's Registration Statement on Form S-1 (No. 33-75180).

  *10.9        Stock Incentive Plan of the Company, incorporated by reference to
               Exhibit 10.24 of the Company's Registration Statement on Form S-1
               (No. 33-75180).

  *10.10       1988 Stock Option Plan, as amended August 12, 1991, of SF2
               Corporation, incorporated by reference to Exhibit 10.25 of the
               Company's Registration Statement on Form S-1 (No. 33-75180).

   10.11       Form of Consultant/Employee Confidentiality Agreement,
               incorporated by reference to Exhibit 10.28 of the Company's
               Registration Statement on Form S-1 (No. 33-75180).

   10.12       Lease between Oak Creek Delaware, Inc., and the Company, dated
               December 18, 1993, incorporated by reference to Exhibit 10.29 of
               the Company's Registration Statement on Form S-1 (No. 33-75180).

  *10.13       Form of Incentive Stock Option Agreement under the Stock
               Incentive Plan, incorporated by reference to Exhibit 10.30 of the
               Company's Registration Statement on Form S-1 (No. 33-75180).

  *10.14       MTI Technology Corporation 1994 Employee Stock Purchase Plan, as
               amended, incorporated by reference to Exhibit 10.31 of the
               Company's Annual Report on Form 10-K for the fiscal year ended
               April 2, 1994.

   10.15       MTI Technology Corporation Directors' Non-Qualified Stock Option
               Plan, incorporated by reference to Exhibit 10.32 of the Company's
               Registration Statement on Form S-1 (No. 33-75180).

   10.16       Asset Purchase Agreement, dated February 9, 1995, between EMC
               Corporation and the Registrant (confidential treatment granted
               pursuant to Rule 24b-2), incorporated by reference to Exhibit
               10.36 of the Company's Quarterly Report on Form 10-Q for the
               quarterly period ended December 30, 1995.

   10.17       Loan and Security Agreement between the Company and Silicon
               Valley Bank and General Electric Capital Corporation, as
               Co-Lenders, and Schedules thereto, incorporated by reference to
               Exhibit 10.28 of the Company's Quarterly Report on Form 10-Q for
               the quarterly period ended July 4, 1998.

  *10.18       Severance Agreement dated as of July 15, 1998, between Thomas P.
               Raimondi, Jr. and Registrant, incorporated by reference to
               Exhibit 10.30 of the Company's Annual Report on Form 10-K for the
               fiscal year ended quarterly period ended April 3, 1999.

  *10.19       Severance Agreement dated July 26, 2000, between Gary Scott and
               Registrant.

  *10.20       Severance and Release Agreement dated as of July 7, 2000, between
               Dale Boyd and Registrant, incorporated by reference to Exhibit
               10.20 of the Company's Annual Report on Form 10-K for the fiscal
               year ended April 7, 2001.


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  *10.21       Severance and Release Agreement dated as of April 29, 2001,
               between Guy M. Cheney and Registrant, incorporated by reference
               to Exhibit 10.21 of the Company's Annual Report on Form 10-K for
               the fiscal year ended April 7, 2001.

  *10.22       Severance and Release Agreement dated as of September 20, 2000,
               between Daniel Brown and Registrant, incorporated by reference to
               Exhibit 10.22 of the Company's Annual Report on Form 10-K for the
               fiscal year ended April 7, 2001.

  *10.23       Severance Agreement dated as of July 10, 2000, between Paul W.
               Emery, II and Registrant, incorporated by reference to Exhibit
               10.23 of the Company's Annual Report on Form 10-K for the fiscal
               year ended April 7, 2001.

  *10.24       Severance Agreement dated as of February 7, 2001, between Keith
               Clark and Registrant, incorporated by reference to Exhibit 10.24
               of the Company's Annual Report on Form 10-K for the fiscal year
               ended April 7, 2001.

  *10.25       Severance Agreement dated as of May 30, 2001, between Dale Wight
               and Registrant, incorporated by reference to Exhibit 10.25 of the
               Company's Annual Report on Form 10-K for the fiscal year ended
               April 7, 2001.

  *10.26       Severance Agreement dated as of May 30, 2001, between Kenneth D.
               Simpson and Registrant, incorporated by reference to Exhibit
               10.26 of the Company's Annual Report on Form 10-K for the fiscal
               year ended April 7, 2001.

  *10.27       Severance Agreement dated as of May 31, 2001, between Venki
               Venkatarman and Registrant, incorporated by reference to Exhibit
               10.27 of the Company's Annual Report on Form 10-K for the fiscal
               year ended April 7, 2001.

  *10.28       Severance Agreement dated as of May 31, 2001, between Richard L.
               Ruskin and Registrant, incorporated by reference to Exhibit 10.28
               of the Company's Annual Report on Form 10-K for the fiscal year
               ended April 7, 2001.

  *10.29       Amendment to the 1996 Stock Incentive Plan, incorporated by
               reference to Exhibit 10.29 of the Company's Quarterly Report on
               Form 10-Q for the quarterly period ended October 2, 1999.

  *10.30       MTI Technology Corporation 2001 Stock Incentive Plan,
               incorporated by reference to Exhibit 10.30 of the Company's
               Annual Report on Form 10-K for the fiscal year ended April 7,
               2001.

  *10.31       MTI Technology Corporation 2001 Non-Employee Directors Option
               Program, incorporated by reference to Exhibit 10.31 of the
               Company's Annual Report on Form 10-K for the fiscal year ended
               April 7, 2001.

  *10.32       MTI Technology Corporation 2001 Employee Stock Purchase Plan,
               incorporated by reference to Exhibit 10.32 of the Company's
               Annual Report on Form 10-K for the fiscal year ended April 7,
               2001.

  *10.33       Limited Waiver and Amendment to Loan Documents dated May 31,
               2001, between the Company and Silicon Valley Bank and General
               Electric Capital Corporation, as Co-Lenders, incorporated by
               reference to Exhibit 10.33 of the Company's Annual Report on Form
               10-K for the fiscal year ended April 7, 2001.

   21          Subsidiaries of the Company, incorporated by reference to Exhibit
               21 of the Company's Annual Report on Form 10-K for the fiscal
               year ended April 7, 2001.

   23          Consent of KPMG LLP, incorporated by reference to Exhibit 23 of
               the Company's Annual Report on Form 10-K for the fiscal year
               ended April 7, 2001.

   24          Power of Attorney, incorporated by reference to Exhibit 24 of the
               Company's Annual Report on Form 10-K for the fiscal year ended
               April 7, 2001.


---------------

* Management or compensatory plan or arrangement.

     (b)  Reports on Form 8-K

          None.


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                                   SIGNATURES


     Pursuant to the requirements of Section 13 or 15 (d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this Report to be signed on
its behalf by the undersigned, thereunto duly authorized, on the 20th day of
June 2001.

                                                 MTI TECHNOLOGY CORPORATION


                                                 By: /s/ Thomas P. Raimondi, Jr.
                                                     ---------------------------
                                                         Thomas P. Raimondi, Jr.
                                                         (Vice Chairman,
                                                         President and Chief
                                                         Executive Officer)

                                POWER OF ATTORNEY


     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons in the capacities and on
the dates indicated.

<TABLE>
<CAPTION>
         SIGNATURE                                   TITLE                                       DATE
         ---------                                   -----                                       ----
<S>                                         <C>                                              <C>

/s/ Thomas P. Raimondi, Jr.                 Vice Chairman, President and Chief Executive     June 20, 2001
------------------------------------        Officer
    (Thomas P. Raimondi, Jr.)

/s/ Dale Wight                              Chief Financial Officer                          June 20, 2001
------------------------------------        (Principal Financial and Accounting Officer)
    (Dale Wight)

/s/   *                                     Chairman of the Board                            June 20, 2001
------------------------------------
   (Raymond J. Noorda)

/s/   *                                     Director                                         June 20, 2001
------------------------------------
   (Val Kreidel)

/s/    *                                    Director                                         June 20, 2001
------------------------------------
   (Al Melrose)

/s/   *                                     Director                                         June 20, 2001
------------------------------------
   (John Repp)

/s/   *                                     Director                                         June 20, 2001
------------------------------------
   (Ralph J. Yarro, III)

/s/   *                                     Director                                         June 20, 2001
------------------------------------
   (Franz L. Cristiani)

*By: /s/ Thomas P. Raimondi, Jr.            Attorney-in-Fact                                 June 20, 2001
     -------------------------------
         (Thomas P. Raimondi, Jr.)
</TABLE>


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