<SEC-DOCUMENT>0001193125-18-077371-index.html : 20180309
<SEC-HEADER>0001193125-18-077371.hdr.sgml : 20180309
<ACCEPTANCE-DATETIME>20180309162014
ACCESSION NUMBER:		0001193125-18-077371
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180309
DATE AS OF CHANGE:		20180309
EFFECTIVENESS DATE:		20180309

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RAMBUS INC
		CENTRAL INDEX KEY:			0000917273
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				943112828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22339
		FILM NUMBER:		18680300

	BUSINESS ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		408-462-8000

	MAIL ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d539728ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d539728ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g539728dsp002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g539728dsp002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g539728dsp003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g539728dsp003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g539728dsp004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g539728dsp004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g539728dsp005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g539728dsp005.jpg

</DOCUMENT>
</SEC-DOCUMENT>