===============================================================

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

                                   FORM 12b-25

                           NOTIFICATION OF LATE FILING

                                                 SEC File Number: 000-50210
                                                    Cusip Number: N/A

             (CHECK ONE): [X] Form 10-K [ ] Form 20-F [ ] Form 11-K
                   [ ] Form 10-Q [ ] Form N-SAR [ ] Form N-CSR

                       For Period Ended: December 31, 2006

 If the notification relates to a portion of the filing checked above, identify
the Item(s) to which the notification relates: N/A

                         PART I. REGISTRANT INFORMATION

                       ATEL CAPITAL EQUIPMENT FUND IX, LLC
                            (Full Name of Registrant)

                         Former Name if Applicable: N/A

     600 California Street, 6th Floor, San Francisco, California 94108-2733
      (Address of Principal Executive Office, Street and Number) (Zip Code)

                        PART II. RULES 12b-25 (b) AND (c)

         If the subject report could not be filed without unreasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25 (b), the
following should be completed. (Check box if appropriate) [ ]






                               PART III. NARRATIVE

         State below in reasonable detail the reasons why Forms 10-K, 20-F,
11-K, 10-Q, N-SAR, N-CSR, or the transition report or portion thereof, could not
be filed within the prescribed time period.

         The Registrant cannot file the Annual Report on Form 10-K for the
period ended December 31, 2006 within the prescribed time period because the
Company does not have all information necessary to complete the required
financial reports by April 2, 2007. The Company will file the Annual Report on
Form 10-K for the period ended December 31, 2006 with completed financial
statements as soon as practicable.

                           PART IV. OTHER INFORMATION

 (1)     The name and  telephone  number of the  person to contact in regard to
         this notification is Mr. Samuel Schussler at (415) 989-8800.

 (2)     Have all other reports required under Section 13 or 15 (d) of the
         Securities and Exchange Act of 1934 or Section 30 of the Investment
         Company Act of 1940 during the preceding 12 months or for such shorter
         period that the Registrant was required to file such reports been
         filed? If answer is no, identify reports.

         /  / Yes                 / X / No

         Quarterly Reports on Form 10-Q for the quarters ended March 31, 2006,
         June 30, 2006 and September 30, 2006.

 (3)     Is it anticipated that any significant change in results of operations
         from the corresponding period for the last fiscal year will be
         reflected by the earnings statements to be included in the subject
         report or portion thereof?

         If so, attach an explanation of the anticipated change, both
         narratively and quantitatively, and, if appropriate, state the reasons
         why a reasonable estimate of the results cannot be made.

         /  / Yes                 / X / No

         The Registrant, ATEL Capital Equipment Fund IX, LLC, has caused this
notification to be signed on its behalf by the undersigned hereunto duly
authorized.

Dated:   April 2, 2007
                                     ATEL Capital Equipment Fund IX, LLC
                                     By ATEL Financial Services, LLC,
                                     Manager of Registrant


                                     /s/ SAMUEL SCHUSSLER
                                     ----------------------------------
                                     Samuel Schussler, Chief Accounting Officer