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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JquQy5hfgvb1lu7/WRDNDpTySTdzBS6i9gWdSf/L/5SPV9t9aH9kCuCAFJEkUrCf
 X8Mbnc3A5PfeBf0Hj+eBXQ==

<SEC-DOCUMENT>0000094673-03-000147.txt : 20031120
<SEC-HEADER>0000094673-03-000147.hdr.sgml : 20031120
<ACCEPTANCE-DATETIME>20031120165810
ACCESSION NUMBER:		0000094673-03-000147
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031120
FILED AS OF DATE:		20031120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARNOLD THOMAS G
		CENTRAL INDEX KEY:			0001210169

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07534
		FILM NUMBER:		031015968

	BUSINESS ADDRESS:	
		STREET 1:		C/O STORAGE TEK
		STREET 2:		ONE STORAGE TEK DRIVE MS 4309
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80028-4309
		BUSINESS PHONE:		3036735151

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STORAGE TECHNOLOGY CORP
		CENTRAL INDEX KEY:			0000094673
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				840593263
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1229

	BUSINESS ADDRESS:	
		STREET 1:		ONE STORAGETEK DRIVE
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80028-4309
		BUSINESS PHONE:		303-673-5151

	MAIL ADDRESS:	
		STREET 1:		ONE STORAGETEK DRIVE
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80028-4309
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001210169d20031120f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-11-20</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000094673</issuerCik><issuerName>STORAGE TECHNOLOGY CORP</issuerName>        <issuerTradingSymbol>STK</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001210169</rptOwnerCik><rptOwnerName>ARNOLD THOMAS G</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>VP AND CORPORATE CONTROLLER</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>LOUISVILLE</rptOwnerCity><rptOwnerState>CO</rptOwnerState><rptOwnerZipCode>80028</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>VP and Corporate Controller</officerTitle><otherText></otherText></reportingOwnerRelationship></
reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-20</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>2186</value></transactionShares><transactionPricePerShare><value>24.7</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>19221</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction><
nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>442</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Trust</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable></derivativeTable><footnotes></footnotes><ownerSignature><signatureName>Donald H. Kronenberg, Attorney-in-Fact</signatureName><signatureDate>2003-11-20</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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