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 *
PAPADOPOULOS GREGORY M
   2. Issuer Name and Ticker or Trading Symbol
SUN MICROSYSTEMS INC [SUNW] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP & CTO
(Last)
(First)
(Middle)
4150 NETWORK CIRCLE		 3. Date of Earliest Transaction (Month/Day/Year)
11/22/2004
(Street)

SANTA CLARA, CA 95054		 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 11/22/2004   M   44,000 A $ 3.8125 0 D  
Common Stock 11/22/2004   S   44,000 D $ 5.2 49,217 (1) D  

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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
Option ( right to buy) $ 5.2 11/22/2004   M     44,000 12/11/2000 12/11/2004 Common Stock 44,000 $ 0 0 D  
Option (right to buy) $ 3.3994             04/21/2001 04/21/2005 Common Stock 64,000   64,000 D  
Option (right to buy) $ 4.7344             12/10/2001 12/10/2005 Common Stock 80,000   80,000 D  
Option (right to buy) $ 5.0234             04/15/2002 04/15/2008 Common Stock 212,000   212,000 D  
Option (right to buy) $ 12.5313             04/20/2003 04/20/2009 Common Stock 200,000   200,000 D  
Option (right to buy) $ 40               (2) 04/12/2010 Common Stock 100,000   80,000 D  
Option (right to buy) $ 18.58               (3) 04/18/2011 Common Stock 200,000   120,000 D  
Option (right to buy) $ 12.59               (4) 11/07/2011 Common Stock 75,000   45,000 D  
Option (right to buy) $ 12.59               (5) 11/07/2011 Common Stock 75,000   75,000 D  
Option (right to buy) $ 9.14               (6) 03/19/2010 Common Stock 200   80 D  
Option (right to buy) $ 6.45               (7) 05/02/2012 Common Stock 200,000   80,000 D  
Option (right to buy) $ 3.7               (8) 07/25/2012 Common Stock 300,000   120,000 D  
Option (right to buy) $ 3.85               (9) 07/23/2013 Common Stock 500,000   100,000 D  
Option (right to buy) $ 3.79               (10) 07/29/2014 Common Stock 400,000   400,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PAPADOPOULOS GREGORY M
4150 NETWORK CIRCLE
SANTA CLARA, CA 95054		       EVP & CTO  

Signatures

 /s/ Gregory M. Papadopoulos   11/23/2004
**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) Includes 445 and 5,941 shares purchased under the Sun Microsystems, Inc. 1990 Employee Stock purchase plan on October 30, 2003 and April 30, 2004, respectively.
(2) The option vests in 5 equal installment of 20,000 shares each on April 12, 2001, 2002, 2003, 2004 and 2005
(3) The option vests in 5 equal installments of 40,000 shares each on April 18, 2002, 2003, 2004, 2005 and 2006.
(4) The option vests in 5 equal installments of 15,000 shares each on November 7, 2002, 2003, 2004, 2005 and 2006.
(5) The option vests in 3 equal installments of 25,000 shares each on November 7, 2002, 2003 and 2004.
(6) The option vests in 5 equal installments of 40 shares each on March 19, 2003, 2004, 2005, 2006 and 2007.
(7) The option vests in 5 equal installments of 40,000 shares each on May 2, 2003, 2004, 2005, 2006 and 2007.
(8) The option vests in 5 equal installments of 60,000 shares each on July 25, 2003, 2004, 2005, 2006 and 2007.
(9) The option vests in 5 installments of 100,000 shares each on July 23, 2004, 2005, 2006, 2007 and 2008.
(10) The option vest in 5 installments of 80,000 shares each on July 29, 2005, 2006, 2007, 2008 and 2009. .

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