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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 dVJjlxGs8B0lc1GsuJk0yw==

<SEC-DOCUMENT>0001005150-04-001025.txt : 20040503
<SEC-HEADER>0001005150-04-001025.hdr.sgml : 20040503
<ACCEPTANCE-DATETIME>20040503142830
ACCESSION NUMBER:		0001005150-04-001025
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040430
FILED AS OF DATE:		20040503

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GTSI CORP
		CENTRAL INDEX KEY:			0000850483
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-COMPUTER & PERIPHERAL EQUIPMENT & SOFTWARE [5045]
		IRS NUMBER:				541248422
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3901 STONECROFT BLVD
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151-0808
		BUSINESS PHONE:		703-502-2000

	MAIL ADDRESS:	
		STREET 1:		3901 STONECROFT BLVD
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151-1010

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TOUPS JOHN M
		CENTRAL INDEX KEY:			0001198427

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19394
		FILM NUMBER:		04773049

	BUSINESS ADDRESS:	
		STREET 1:		5250 CHEROKEE AVENUE
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22312
		BUSINESS PHONE:		703-750-2202

	MAIL ADDRESS:	
		STREET 1:		5250 CHEROKEE AVENUE
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22312
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>e3950jt_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-04-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000850483</issuerCik>
        <issuerName>GTSI CORP</issuerName>
        <issuerTradingSymbol>GTSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001198427</rptOwnerCik>
            <rptOwnerName>TOUPS JOHN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1460 WAGGMAN CIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MCLEAN</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.42</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-04-29</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-04-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Option vests at 166 shares per month, at end of each month, beginning April 30, 2004 and ending on March 31, 2005, with remainder (8 shares) vesting in the last of the 12 months.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John Toups</signatureName>
        <signatureDate>2004-04-30</signatureDate>
    </ownerSignature>
</ownershipDocument>

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