Inphi Corporation
High-speed analog and mixed-signal semiconductors for optical interconnects (Marvell subsidiary).
Updated May 2026
Overview
- Website
- inphi.com
- Headquarters
- Santa Clara, California
- Segment
- Optical Interconnect & Photonics
Product overview
Inphi Corporation was an American company specializing in 10G-800G high-speed analog and mixed-signal semiconductor components and optical subsystems for networking OEMs, cloud, and telecom providers. Its products include linear transimpedance amplifiers, modulator drivers, coherent DSPs, and silicon photonic subsystems for data centers, long-haul, and metro applications. Acquired by Marvell Technology in 2021, it now operates as part of Marvell.
Revenue model
Sales of semiconductor components and optical subsystems to OEMs and service providers
Moat
- Proprietary Technology
- Brand
- Cost Advantages
- Regulatory Moat
Inphi Corporation's competitive moat stems from its leadership in high-speed electro-optics interconnects, including proprietary technologies like PAM4, silicon photonics, DSPs, and optical subsystems essential for cloud data centers and 5G networks. This is reinforced by high R&D investment (31% of revenue), 65%+ market share, innovation in cutting-edge process nodes, and strong customer relationships with hyperscalers.
Headwinds
Being acquired by Marvell may reduce focus on specialized optical interconnect innovation as it gets integrated into a broader semiconductor portfolio.