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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Crosby Christopher James JR
 2. Date of Event Requiring Statement (Month/Day/Year)
08/15/2005		 3. Issuer Name and Ticker or Trading Symbol
Digital Realty Trust, Inc. [DLR]
(Last)
(First)
(Middle)
DIGITAL REALTY TRUST, 2323 BRYAN STREET, SUITE 2350		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, Sales & Technical Services
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

DALLAS, TX 75201		 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)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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
Long Term Incentive Units   (4)   (3) Common Stock 16,163 $ (2) D  
Common Stock Options   (1) 10/28/2014 Common Stock 60,611 $ 12 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Crosby Christopher James JR
DIGITAL REALTY TRUST
2323 BRYAN STREET, SUITE 2350
DALLAS, TX 75201		       VP, Sales & Technical Services  

Signatures

Christopher J Crosby Jr 08/11/2005
**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) Represents an option to purchase common stock in the Issuer, which will vest in equal annual installments of 25% on each of the first four anniversaries of October 28, 2004.
(2) 1 for 1
(3) N/A
(4) Represents long-term incentive units in Digital Realty Trust, L.P. a Maryland Limited Partnership (the "Operating Partnership"), of which the Issuer is the general partner. These long-term incentive units have obtained full parity with common limited partnership units of the Operating Partnership and may be converted into an equal number of common units of the Operating Partnership on a one for one basis at any time. Common limited partnership units of the Operating Partnership are redeemable commencing fourteen months from the consummation of the Issuer's initial public offering for cash based on the fair market value of an equivalent number of shares of the Issuer's common stock, or, at the election of the Issuer, an equal number of shares of the Issuer's common stock.

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