<SUBMISSION>
<ACCESSION-NUMBER>0001181431-04-055620
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20041130
<FILING-DATE>20041130
<DATE-OF-FILING-DATE-CHANGE>20041130
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MAGNUSON RICHARD A
<CIK>0001191698
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-32336
<FILM-NUMBER>041175636
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>400 SOUTH EL CAMINO REAL
<CITY>SAN MATEO
<STATE>CA
<ZIP>94402-1708
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Digital Realty Trust, Inc.
<CIK>0001297996
<ASSIGNED-SIC>6798
<IRS-NUMBER>000000000
<STATE-OF-INCORPORATION>MD
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>2730 SAND HILL ROAD, SUITE 280
<CITY>MENLO PARK
<STATE>CA
<ZIP>94025
<PHONE>(650) 233-3600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2730 SAND HILL ROAD, SUITE 280
<CITY>MENLO PARK
<STATE>CA
<ZIP>94025
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd59436.xml
<DESCRIPTION>RICHARD MAGNUSON FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-11-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001297996</issuerCik>
        <issuerName>Digital Realty Trust, Inc.</issuerName>
        <issuerTradingSymbol>DLR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191698</rptOwnerCik>
            <rptOwnerName>MAGNUSON RICHARD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2730 SAND HILL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 280</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Managing Director</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-11-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1421300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1421300</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23699359</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Global Innovation Partners, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">1 for 1</footnote>
        <footnote id="F2">In connection with the underwriters' exercise of their over-allotment option, which closed on November 30, 2004, Global Innovation Partners made a pro rata distribution of 1,421,300 common units to its members in a transaction exempt under Rule 16a-13 promulgated under the Securities Exchange Act of 1934.</footnote>
        <footnote id="F3">Represents common limited partnership units of the Digital Realty Trust, L.P. a Maryland Limited Partnership (the &quot;Operating Partnership&quot;).  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.</footnote>
        <footnote id="F4">N/A</footnote>
        <footnote id="F5">The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Richard A. Magnuson</signatureName>
        <signatureDate>2004-11-30</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
