-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 A07P3Utzsb5NbKqWv0mMrDOz9dte/dMxjeZySuBOv0TAET+MhFDrQwiWMw9oGAPT
 nuE+V67gPdRwOCZsG4dkWQ==

<SEC-DOCUMENT>0001225385-10-000015.txt : 20100406
<SEC-HEADER>0001225385-10-000015.hdr.sgml : 20100406
<ACCEPTANCE-DATETIME>20100406142141
ACCESSION NUMBER:		0001225385-10-000015
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20080430
FILED AS OF DATE:		20100406
DATE AS OF CHANGE:		20100406

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOSTON BYRON L
		CENTRAL INDEX KEY:			0001283563

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09819
		FILM NUMBER:		10734002

	MAIL ADDRESS:	
		STREET 1:		4231 WALNUT RD
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32257

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DYNEX CAPITAL INC
		CENTRAL INDEX KEY:			0000826675
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				521549373
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			0709

	BUSINESS ADDRESS:	
		STREET 1:		4991 LAKE BROOK DRIVE
		STREET 2:		STE 100
		CITY:			GLEN ALLEN
		STATE:			VA
		ZIP:			23060
		BUSINESS PHONE:		8042175830

	MAIL ADDRESS:	
		STREET 1:		4991 LAKE BROOK DRIVE
		STREET 2:		STE 100
		CITY:			GLEN ALLEN
		STATE:			VA
		ZIP:			23060

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RESOURCE MORTGAGE CAPITAL INC/VA
		DATE OF NAME CHANGE:	19930722

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RESOURCE MORTGAGE INVESTMENT CORP
		DATE OF NAME CHANGE:	19930505

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RAC MORTGAGE INVESTMENT CORP /VA/
		DATE OF NAME CHANGE:	19930505
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2008-04-30</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000826675</issuerCik>
        <issuerName>DYNEX CAPITAL INC</issuerName>
        <issuerTradingSymbol>DX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001283563</rptOwnerCik>
            <rptOwnerName>BOSTON BYRON L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DYNEX CAPITAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4991 LAKE BROOK DRIVE, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>GLEN ALLEN</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>23060</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Investment Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Alison G. Griffin, as attorney-in-fact for Byron L. Boston</signatureName>
        <signatureDate>2010-04-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poaboston.txt
<DESCRIPTION>POWER OF ATTORNEY BYRON L BOSTON
<TEXT>
SECTION 16
POWER OF ATTORNEY


	I, Byron L. Boston, do hereby constitute and
appoint Stephen J. Benedetti, Alison G. Griffin,
Shannon V. Patterson and Susan S. Ancarrow, my true
and lawful attorneys-in-fact, any of whom acting
singly is hereby authorized, for me and in my name
and on my behalf as a director, officer and/or
shareholder of Dynex Capital, Inc., to (i) prepare,
execute in my name and on my behalf, and submit to
the U.S. Securities and Exchange Commission (the
"SEC") a Form ID, including any necessary amendments
thereto, and any other documents necessary or
appropriate to obtain codes and passwords enabling me
to make electronic filings with the SEC of reports
required by Section 16(a) of the Securities Exchange
Act of 1934 or any rule or regulation of the SEC in
respect thereof; and (ii) prepare, execute and file
any and all forms, instruments or documents,
including any necessary amendments thereto, as such
attorneys or attorney deems necessary or advisable to
enable me to comply with Section 16 of the Securities
Exchange Act of 1934 or any rule or regulation of the
SEC in respect thereof (collectively, "Section 16").

	I do hereby ratify and confirm all acts my said
attorney shall do or cause to be done by virtue
hereof.  I acknowledge that the foregoing attorneys-
in-fact, serving in such capacity at my request, are
not assuming, nor is Dynex Capital, Inc. assuming,
any of my responsibilities to comply with Section 16.


	This power of attorney shall remain in full
force and effect until it is revoked by the
undersigned in a signed writing delivered to each
such attorney-in-fact or the undersigned is no longer
required to comply with Section 16, whichever occurs
first.

	WITNESS the execution hereof this 31st day of
March, 2010.


		/s/ Byron L. Boston
		Byron L. Boston






1935209v1

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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