Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Liu Liang Chiu-Chu Sara
  2. Issuer Name and Ticker or Trading Symbol
Super Micro Computer, Inc. [SMCI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
V P of Operations & Treasurer
(Last)
(First)
(Middle)
2906 BELMONT TERRACE
3. Date of Earliest Transaction (Month/Day/Year)
04/03/2007
(Street)

FREMONT, CA 94539
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 04/03/2007   M   250,000 A $ 0.2 5,150,000 I By Spouse
Common Stock 04/03/2007   S   250,000 D $ 7.44 4,900,000 I By Spouse
Common Stock               480,000 D  
Common Stock               600,000 I By Self as Trustee for CL Grantor Retained Trust (1)
Common Stock               600,000 I By Self as Trustee for CL2 Grantor Retained Trust (1)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (option to buy) $ 0.2 04/03/2007   M     250,000   (2) 12/10/2008 Common Stock 250,000 $ 0 350,000 I By Spouse

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Liu Liang Chiu-Chu Sara
2906 BELMONT TERRACE
FREMONT, CA 94539
  X   X   V P of Operations & Treasurer  

Signatures

 /s/ Winnie Tsai, as Attorney-in-Fact   04/04/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) These shares are held in the two trusts for the benefit of the reporting person's children. They are owned directly by CL Grantor Retained Trust and CL2 Grantor Retained Trust, and indirectly by Chiu-Chu (Sara) Liu Liang as the trustee of both trusts.
(2) The vesting commencement date is August 20, 1994. The option is exercisable at the rate of one half of the shares on the second anniversary of the vesting commencement date and 1/4th at the end of each successive year thereafter.

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