Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  EINHORN DAVID
2. Date of Event Requiring Statement (Month/Day/Year)
03/29/2013
3. Issuer Name and Ticker or Trading Symbol
MARVELL TECHNOLOGY GROUP LTD [MRVL]
(Last)
(First)
(Middle)
140 EAST 45TH STREET, FLOOR 24
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10017
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Shares 1,981,597
I (1) (2) (3)
See Footnote (6)
Common Shares 11,329,605
I (1) (2) (3)
See Footnote (7)
Common Shares 19,208,659
I (1) (2) (3)
See Footnote (8)
Common Shares 7,131,000
I (1) (2) (3)
See Footnote (9)
Common Shares 5,977,287
I (1) (2) (3)
See Footnote (10)
Common Shares 5,855,295
I (1) (2) (3)
See Footnote (11)
Common Shares 319,000
I (2) (3)
See Footnote (12)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Total Return Equity Swap   (4)(5) 02/07/2014 Common Shares 446,000 $ 7.93 I (1) (3) (4) (5) See Footnotes (4) (6)
Total Return Equity Swap   (4)(5) 02/07/2014 Common Shares 2,528,600 $ 7.93 I (1) (3) (4) (5) See Footnotes (4) (7)
Total Return Equity Swap   (4)(5) 02/07/2014 Common Shares 4,432,400 $ 7.93 I (1) (3) (4) (5) See Footnotes (4) (8)
Total Return Equity Swap   (4)(5) 02/07/2014 Common Shares 1,844,200 $ 7.93 I (1) (3) (4) (5) See Footnotes (4) (9)
Total Return Equity Swap   (4)(5) 02/07/2014 Common Shares 1,336,100 $ 7.93 I (1) (3) (4) (5) See Footnotes (4) (10)
Total Return Equity Swap   (4)(5) 02/07/2014 Common Shares 1,292,700 $ 7.93 I (1) (3) (4) (5) See Footnotes (4) (11)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
EINHORN DAVID
140 EAST 45TH STREET
FLOOR 24
NEW YORK, NY 10017
    X    

Signatures

/s/ Daniel Roitman *, on behalf of David Einhorn 04/05/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) David Einhorn is the senior managing member of Greenlight Capital, L.L.C. ("Greenlight LLC"), DME Advisors GP, LLC ("DME GP") and DME Management GP, LLC ("DME Management GP"), and the president of Greenlight Capital, Inc. ("Greenlight Inc."). DME GP is the general partner of DME Advisors, LP ("DME") and DME Capital Management, LP ("DME CM").
(2) One or more of the foregoing entities control the disposition and voting of common shares, par value $0.002 per share (the "Common Shares"), of Marvell Technology Group Ltd. ("Issuer"), owned by one or more of the following entities: Greenlight Capital, L.P. ("Greenlight Fund"), Greenlight Capital Qualified, L.P. ("Greenlight Qualified"), Greenlight Capital Offshore Partners ("Greenlight Offshore"), Greenlight Capital (Gold), LP ("Greenlight Gold"), Greenlight Capital Offshore Master (Gold), Ltd. ("Greenlight Gold Offshore"), Greenlight Masters Partners ("Greenlight Masters") and an account managed by DME (the "Managed Account," and, together with Greenlight Fund, Greenlight Qualified, Greenlight Offshore, Greenlight Gold, Greenlight Gold Offshore, Greenlight Masters, Greenlight LLC, Greenlight Inc., DME GP, DME, DME Management GP and DME CM, the "Greenlight Parties"), in the respective capacities and quantities further described in the footnotes below.
(3) Pursuant to Rule 16a-1 under the Securities Exchange Act of 1934, as amended (the "Act"), Mr. Einhorn and the Greenlight Parties disclaim beneficial ownership of the Common Shares except to the extent of their respective pecuniary interests therein. The filing of this Form 3 shall not be construed as an admission that David Einhorn or any of the Greenlight Parties is or was for the purposes of Section 16(a) of the Act, or otherwise, the beneficial owner of any of the Common Shares owned by Greenlight Fund, Greenlight Qualified, Greenlight Offshore, Greenlight Gold, Greenlight Gold Offshore, Greenlight Masters or the Managed Account.
(4) On January 2, 2013, Greenlight Fund, Greenlight Qualified, Greenlight Offshore, Greenlight Gold, Greenlight Gold Offshore and the Managed Account entered into total return equity swap agreements (each, a "Swap") with a securities broker, pursuant to which, upon the expiration of the term of each respective Swap, (i) the applicable Greenlight Party referenced in the Swap will be obligated to pay to the broker an amount, based on a cost price of approximately $7.93 per Common Share, for each Common Share referenced in such Swap (in the respective quantities described in the footnotes below), and (ii) the broker will be obligated to pay to the applicable Greenlight Party referenced in the Swap the market value of such number of Common Shares as are referenced in the Swap (in the respective quantities described in the footnotes below), as of the expiration of the term of the Swap.
(5) Any dividends received by the broker on the Common Shares referenced in each Swap during the term of the Swap will be paid to the applicable Greenlight Party. During the term of each Swap, the applicable Greenlight Party will pay the broker interest on the aggregate price payable by such Greenlight Party. The terms of the Swaps do not permit the Greenlight Parties to vote or dispose of any Common Shares, or to acquire any Common Shares pursuant to the Swaps.
(6) Greenlight LLC controls the voting and disposition of 1,981,597 Common Shares through the account of Greenlight Fund, of which Greenlight LLC is the general partner. As the senior managing member of Greenlight LLC, Mr. Einhorn may be deemed to beneficially own the securities held by Greenlight Fund. Greenlight Fund also has exposure to 446,000 Common Shares pursuant to a Swap, as further described in Footnote 4.
(7) Greenlight LLC controls the voting and disposition of 11,329,605 Common Shares through the account of Greenlight Qualified, of which Greenlight LLC is the general partner. As the senior managing member of Greenlight LLC, Mr. Einhorn may be deemed to beneficially own the securities held by Greenlight Qualified. Greenlight Qualified also has exposure to 2,528,600 Common Shares pursuant to a Swap, as further described in Footnote 4.
(8) Greenlight Inc. controls the voting and disposition of 19,208,659 Common Shares through the account of Greenlight Offshore. Greenlight Inc. is the investment manager of Greenlight Offshore. As the president of Greenlight Inc., Mr. Einhorn may be deemed to beneficially own the shares held by Greenlight Offshore. Greenlight Offshore also has exposure to 4,432,400 Common Shares pursuant to a Swap, as further described in Footnote 4.
(9) DME controls the voting and disposition of 7,131,000 Common Shares through the Managed Account, for which DME serves as the investment manager. As the senior managing member of DME GP, which is the general partner of DME, Mr. Einhorn may be deemed to beneficially own the shares held by the Managed Account. The Managed Account also has exposure to 1,844,200 Common Shares pursuant to a Swap, as further described in Footnote 4.
(10) DME Management GP controls the voting and disposition of 5,977,287 Common Shares through the account of Greenlight Gold, of which DME Management GP is the general partner. As the senior managing member of DME Management GP, Mr. Einhorn may be deemed to beneficially own the securities held by Greenlight Gold. Greenlight Gold also has exposure to 1,336,100 Common Shares pursuant to a Swap, as further described in Footnote 4.
(11) DME CM controls the voting and disposition of 5,855,295 Common Shares through the account of Greenlight Gold Offshore, of which DME CM is the investment manager. As the senior managing member of DME GP, which is the general partner of DME CM, Mr. Einhorn may be deemed to beneficially own the shares held by Greenlight Gold Offshore. Greenlight Gold Offshore also has exposure to 1,292,700 Common Shares pursuant to a Swap, as further described in Footnote 4.
(12) Mr. Einhorn indirectly controls the voting and disposition of 319,000 Common Shares through the account of Greenlight Masters. Mr. Einhorn may be deemed to have indirect investment and/or voting power over Greenlight Masters through its general partners and/or investment manager.
 
Remarks:
* The Power of Attorney executed by David Einhorn, authorizing the signatory to sign and file this Form 3 on David Einhorn's behalf, filed as Exhibit 99.2 to the Schedule 13G filed with the Securities and Exchange Commission on May 24, 2010 by the reporting persons with respect to the common stock of NCR Corporation, is hereby incorporated by reference.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.