Marvell to Demonstrate Industry's First 400G/lane PAM4 Electrical-to-Optical Link Technology at OFC 2025

Core Insights - Marvell Technology, Inc. has developed the industry's first 400G/lane technology, enabling a new generation of PAM4 network connectivity, which was previously deemed impossible [1][5] - The technology will be showcased at OFC 2025, demonstrating its capabilities in real silicon [1] - Marvell is collaborating with leading optical and switch companies to create an ecosystem for products based on this technology, targeting AI and general-purpose cloud architectures [2][5] Technology Impact - The 400G/lane technology will significantly enhance bandwidth capacity in cloud data centers, improving efficiency and reducing the time needed for AI training and complex tasks [3] - This technology represents a 4x increase over the current mainstream 100G/lane infrastructure and a 2x increase over the 200G/lane infrastructure being deployed this year [3] Industry Collaboration - Key industry players, including Coherent and Lumentum, are collaborating with Marvell to ensure the necessary technology for AI and cloud infrastructure [4][5] - The partnership aims to lay a foundation for the AI economy and expand opportunities for optical technologies in infrastructure [4] Historical Context - Marvell has a strong history of innovation in PAM4 connectivity, being the first to demonstrate 100G/lane and 200G/lane technologies, now advancing to 400G/lane [5]