<SEC-DOCUMENT>0001628280-17-006690-index.html : 20170622
<SEC-HEADER>0001628280-17-006690.hdr.sgml : 20170622
<ACCEPTANCE-DATETIME>20170622172352
ACCESSION NUMBER:		0001628280-17-006690
CONFORMED SUBMISSION TYPE:	PRE 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20170331
FILED AS OF DATE:		20170622
DATE AS OF CHANGE:		20170622

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:		PRE 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13449
		FILM NUMBER:		17925869

	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>PRE 14A
<SEQUENCE>1
<FILENAME>fy17preliminaryproxy.htm
<DESCRIPTION>PRE 14A
<TEXT>
Document 1 - file: fy17preliminaryproxy.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>ceotargetequitya01.jpg
<TEXT>
Document 2 - file: ceotargetequitya01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>peergroupa01.jpg
<TEXT>
Document 3 - file: peergroupa01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>proxyimage1a01.jpg
<TEXT>
Document 4 - file: proxyimage1a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>realizablepaycharta01.jpg
<TEXT>
Document 5 - file: realizablepaycharta01.jpg

</DOCUMENT>
</SEC-DOCUMENT>