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                                  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): November 29, 2004


                              ACE SECURITIES CORP.

            (as depositor under the Pooling and Servicing Agreement,
           dated as of November 1, 2004, providing for the issuance of
   ACE Securities Corp. Home Equity Loan Trust, Series 2004-HE4, Asset-Backed
                           Pass-Through Certificates)

                              ACE SECURITIES CORP.
                              --------------------

             (Exact name of registrant as specified in its charter)

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                   Delaware                               333-110039                         56-2088493
- ---------------------------------------------   -------------------------------   -------------------------------
         (State or Other Jurisdiction              (Commission File Number)       (I.R.S. Employer Identification
              of Incorporation)                                                               Number)

6525 Morrison Blvd., Suite 318,
Charlotte, North Carolina                                   28211
- ---------------------------------------------   -------------------------------
   (Address of Principal Executive Offices)               (Zip Code)


Registrant's telephone number, including area code: 704-365-0569

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Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17
CFR 240.14a-12(b))

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))

Item 2.01 COMPLETION OF ACQUISITION OR DISPOSITION OF ASSETS

Description of the Certificates and the Mortgage Pool

         On November 29, 2004, a series of certificates, entitled ACE Securities
Corp. Home Equity Loan Trust, Series 2004-HE4, Asset-Backed Pass-Through
Certificates (the "Certificates"), were issued pursuant to a pooling and
servicing agreement, dated as of November 1, 2004 (the "Agreement"), attached
hereto as Exhibit 4.1, among ACE Securities Corp. as depositor (the
"Depositor"), Wells Fargo Bank, N.A. as master servicer and securities
administrator (the "Master Servicer and Securities Administrator"), Ocwen
Federal Bank FSB as a servicer (the "Servicer") and HSBC Bank USA, National
Association as trustee (the "Trustee"). The Certificates consist of eighteen
classes of certificates (collectively, the "Certificates"), designated as the
"Class A-1 Certificates", "Class A-2 Certificates", "Class M-1 Certificates",
"Class M-2 Certificates", "Class M-3 Certificates", "Class M-4 Certificates",
"Class M-5 Certificates", "Class M-6 Certificates", "Class M-7 Certificates",
"Class M-8 Certificates", "Class M-9 Certificates", "Class M-10 Certificates",
"Class M-11 Certificates", "Class B Certificates", "Class P Certificates",
"Class CE Certificates", "Class P Certificates" and "Class R Certificates". The
Certificates evidence in the aggregate the entire beneficial ownership interest
in a trust fund (the "Trust Fund"), consisting of a pool of mortgage loans (the
"Mortgage Pool'") of conventional, one- to four- family, adjustable rate and
fixed rate, first lien mortgage loans having original terms to maturity up to 30
years (the "Mortgage Loans"). The Mortgage Pool consists of Mortgage Loans
having an aggregate principal balance of approximately $1,360,344,000 as of
November 1, 2004 (the "Cut-off Date"). The Mortgage Loans were purchased
pursuant to the Mortgage Loan Purchase Agreement, dated November 29, 2004,
between DB Structured Products, Inc. as seller and the Depositor (the "Mortgage
Loan Purchase Agreement"). The Class A-1 Certificates, Class A-2 Certificates,
Class M-1 Certificates, Class M-2 Certificates, Class M-3 Certificates, Class
M-4 Certificates, Class M-5 Certificates, Class M-6 Certificates, Class M-7
Certificates, Class M-8 Certificates, Class M-9 Certificates, Class M-10
Certificates, Class M-11 Certificates were sold by Depositor pursuant to the
Amended and Restated Underwriting Agreement, dated June 24, 1999, as amended and
restated to and including July 8, 2002, between the Depositor and Deutsche Bank
Securities Inc.,




and the Terms Agreement, dated November 24, 2004 between
Depositor and Deutsche Bank Securities Inc. (collectively, the "Underwriting
Agreement").




         The Certificates have the following initial Certificate Balances and
Pass-Through Rates:

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                        INITIAL CERTIFICATE                PASS-THROUGH
   CLASS               PRINCIPAL BALANCE(1)                   RATE(2)
- --------------------------------------------------------------------------------
    A-1               $    794,228,000               One-Month LIBOR + 0.330%
    A-2               $    318,150,000               One-Month LIBOR + 0.310%
    M-1               $     46,407,000               One-Month LIBOR + 0.600%
    M-2               $     42,944,000               One-Month LIBOR + 0.650%
    M-3               $     27,706,000               One-Month LIBOR + 0.700%
    M-4               $     24,242,000               One-Month LIBOR + 1.000%
    M-5               $     23,550,000               One-Month LIBOR + 1.100%
    M-6               $     20,087,000               One-Month LIBOR + 1.300%
    M-7               $     13,853,000               One-Month LIBOR + 1.700%
    M-8               $     13,853,000               One-Month LIBOR + 1.800%
    M-9               $     15,238,000               One-Month LIBOR + 3.100%
    M-10              $      6,926,000               One-Month LIBOR + 3.500%
    M-11              $     13,160,000               One-Month LIBOR + 3.500%
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(1)      Approximate.

(2)      After the optional termination date, the margins applicable to the
         Class A-1 and Class A-2 Certificates will increase by 100% and the
         margins applicable to the Class M-1, Class M-2, Class M-3, Class M-4,
         Class M-5, Class M-6, Class M-7, Class M-8, Class M-9, Class M-10 and
         Class M-11 Certificates will increase by 50%.

         The Certificates, other than the Class B, Class CE, Class P and Class R
Certificates, and the Mortgage Loans are more particularly described in the
Prospectus Supplement, dated November 24, 2004 (the "Prospectus Supplement"),
and the Prospectus, dated September 23, 2004, as previously filed with the
Securities and Exchange Commission pursuant to Rule 424(b). The Class B, Class
CE, Class P and the Class R Certificates have not been and will not be publicly
offered by the Depositor. Capitalized terms used but not otherwise defined
herein shall have the meanings assigned to them in the Prospectus Supplement.




Item 9.01     FINANCIAL STATEMENTS AND EXHIBITS

                  (a)      Not applicable

                  (b)      Not applicable

                  (c)      Exhibits



- ------------------------------------------ --------------------------------------------------------------------------
               EXHIBIT NO.                                                DESCRIPTION
- ------------------------------------------ --------------------------------------------------------------------------
                                        
                   4.1                     Pooling and  Servicing  Agreement,  dated as of November 1, 2004,  by and
                                           among ACE  Securities  Corp.,  as Depositor,  Wells Fargo Bank,  N.A., as
                                           Master Servicer and Securities  Administrator,  Ocwen Federal Bank FSB as
                                           a Servicer and HSBC Bank USA, National  Association,  as Trustee relating
                                           to the Series 2004-HE4 Certificates.
- ------------------------------------------ --------------------------------------------------------------------------





                                   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 thereunto duly authorized.

Dated: February 14, 2005


                                    ACE SECURITIES CORP.


                                    By: /s/ Douglas K. Johnson
                                        ----------------------
                                    Name:   Douglas K. Johnson
                                    Title:  President

                                    By: /s/ Evelyn Echevarria
                                        ----------------------
                                    Name:   Evelyn Echevarria
                                    Title:  Vice President





                                INDEX TO EXHIBITS



                                                                                               Sequentially
     Exhibit No.                                Description                                   Numbered Page
     -----------                                -----------                                   -------------

                                                                                              
         4.1           Pooling  and  Servicing  Agreement,  dated as of  November  1,               7
                       2004, by and among ACE Securities  Corp., as Depositor,  Wells
                       Fargo  Bank,   N.A.,   as  Master   Servicer  and   Securities
                       Administrator,  Ocwen  Federal Bank FSB as a Servicer and HSBC
                       Bank USA,  National  Association,  as Trustee  relating to the
                       Series 2004-HE4 Certificates.






                                   EXHIBIT 4.1