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 *
Liaw Yih-Shyan Wally
  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)
Secretary & V P of Intl Sales
(Last)
(First)
(Middle)
1878 CHARNWOOD CT.
3. Date of Earliest Transaction (Month/Day/Year)
04/03/2007
(Street)

SAN JOSE, CA 95132
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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   150,000 A $ 0.2 150,000 D  
Common Stock 04/03/2007   S   150,000 D $ 7.44 0 D  
Common Stock               600,000 I By Self as Trustee for YSL Grantor Retained Trust
Common Stock               1,760,000 I By Liaw Family Trust (1)
Common Stock               600,000 I By SML Grantor Retained Trust (2)

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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 (right to buy) $ 0.2 04/03/2007   M     150,000   (3) 12/10/2008 Common Stock 150,000 $ 0 150,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Liaw Yih-Shyan Wally
1878 CHARNWOOD CT.
SAN JOSE, CA 95132
  X   X   Secretary & V P of Intl Sales  
Liaw Shiow-Meei S
1878 CHARNWOOD CT.
SAN JOSE, CA 95132
    X    

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 a trust for the benefit of the reporting person's children. The reporting person and his spouse, Shiow-Meei S Liaw, are the trustees of the trust.
(2) These shares are held in a trust for the benefit of the reporting person's children. The reporting person's spouse, Shiow-Meei S Liaw, is the trustee of the trust.
(3) 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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