    <SEC-DOCUMENT>0000709283-20-000005-index.html : 20200702
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    <ACCEPTANCE-DATETIME>20200702160927
    ACCESSION NUMBER:		0000709283-20-000005
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20200331
    FILED AS OF DATE:		20200702
    DATE AS OF CHANGE:		20200702
    EFFECTIVENESS DATE:		20200702

    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:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13449
    		FILM NUMBER:		201009365

    	BUSINESS ADDRESS:
    		STREET 1:		224 AIRPORT PARKWAY
    		STREET 2:		SUITE 550
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95110
    		BUSINESS PHONE:		408 944 4000

    	MAIL ADDRESS:
    		STREET 1:		224 AIRPORT PARKWAY
    		STREET 2:		SUITE 550
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95110
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>fy20definitiveproxy.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: fy20definitiveproxy.htm

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    <SEQUENCE>2
    <FILENAME>newproxycard1b11.jpg
    <TEXT>
    Document 2 - file: newproxycard1b11.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>newproxycard2b11.jpg
    <TEXT>
    Document 3 - file: newproxycard2b11.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>paymixchart411.jpg
    <TEXT>
    Document 4 - file: paymixchart411.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>qlogo1.jpg
    <TEXT>
    Document 5 - file: qlogo1.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>regansig11.jpg
    <TEXT>
    Document 6 - file: regansig11.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
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    <TEXT>
    Document 7 - file: regansig21.jpg

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