SIGNALCapital Markets·Jun 4, 2026, 1:06 PMSignal75Short term

Marvell: Optics Replaces Copper

Why this matters
Why now

The increasing demand for higher bandwidth and lower latency in data centers and AI clusters is pushing interconnect technology beyond the limits of traditional copper. Advances in optical components are now making their widespread adoption economically viable.

Why it’s important

This transition signifies a critical inflection point in data center and AI infrastructure, impacting performance, power consumption, and the supply chain for high-speed interconnects. It will determine which companies lead in providing the foundational components for future compute architectures.

What changes

Optical interconnects are becoming the preferred solution for high-speed data transmission within and between data centers, replacing copper in many applications. This shift reshapes the competitive landscape for component manufacturers and alters data center design principles.

Winners
  • · Optical component manufacturers
  • · Hyperscale data centers
  • · AI hardware developers
  • · Marvell
Losers
  • · Copper cable manufacturers
  • · Companies heavily invested in legacy copper interconnect solutions
Second-order effects
Direct

Increased performance and energy efficiency for AI training and large-scale data processing.

Second

Accelerated development of even higher-speed optical standards and photonics integration in chips.

Third

Potential for new data center architectures to emerge, optimized for optical fabric and distributed compute at unprecedented scales.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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