<SEC-DOCUMENT>0001206774-15-001680-index.html : 20150514
<SEC-HEADER>0001206774-15-001680.hdr.sgml : 20150514
<ACCEPTANCE-DATETIME>20150514160129
ACCESSION NUMBER:		0001206774-15-001680
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20141231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20141231
</ITEM>
</RULE>
FILED AS OF DATE:		20150514
DATE AS OF CHANGE:		20150514

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUANTUM CORP /DE/
		CENTRAL INDEX KEY:			0000709283
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				942665054
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13449
		FILM NUMBER:		15862733

	BUSINESS ADDRESS:	
		STREET 1:		224 AIRPORT PARKWAY
		STREET 2:		SUITE 300
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
		BUSINESS PHONE:		408 944 4000

	MAIL ADDRESS:	
		STREET 1:		224 AIRPORT PARKWAY
		STREET 2:		SUITE 300
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>quantum_sd.htm
<DESCRIPTION>SPECIALIZED DISCLOSURE REPORT
<TEXT>
Document 1 - file: quantum_sd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>exhibit1-01.htm
<DESCRIPTION>CONFLICT MINERALS REPORT AS REQUIRED BY ITEMS 1.01 AND 1.02 OF THIS FORM
<TEXT>
Document 2 - file: exhibit1-01.htm

</DOCUMENT>
</SEC-DOCUMENT>