Rambus Inc. provides semiconductor products in the United States, Taiwan, South Korea, Japan, Europe, Canada, Singapore, China, and internationally. The company offers DDR memory interface chips, including DDR5, DDR4 and DDR3 memory interface chips to module manufacturers and OEMs; silicon IP comprising, interface and security IP solutions that move and protect data in advanced applications; and physical interface and digital controller IP to offer industry-leading, integrated memory and interconnect subsystems. It also provides a portfolio of patents that covers memory architecture, high-speed serial links, and security products. The company markets its products and services through its direct sales force and distributors. Rambus Inc. was incorporated in 1990 and is headquartered in San Jose, California.

Rambus Inc.

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Revenue by Geography	Sep '25	Jun '25
USA Revenue	26.5	34.7
South Korea Revenue	91.7	78.8
Singapore Revenue	37.6	38.1
Asia-Other Revenue	—	—
Taiwan Revenue	—	—
China Revenue	—	—
Japan Revenue	—	—
Europe Revenue	—	—
Canada Revenue	—	—
Other Regions Revenue (Post-Q3 2023)	22.7	20.6
Other Regions Revenue (Pre-Q3 2023)	—	—
Other Revenue by Geography	—	—
Total Revenue by Geography	178.5	172.2

Revenue	Sep '25	Jun '25
Product Revenue	93.3	81.3
Royalties	65.1	68.6
Contract and Other Revenue	20.1	22.3
Total Revenue	178.5	172.2