Marvell introduced the Ara platform, the first 3nm PAM4 DSP supporting 1.6 Tbps interconnects with 200 Gbps electrical and optical interfaces. Ara cuts optical module power consumption by more than 20%, reducing operational costs while delivering the energy efficiency required for modern AI and cloud infrastructure. By integrating advanced 3nm technology, Marvell aims to set a new standard for high-performance, scalable networking solutions.
The Ara platform incorporates eight 200 Gbps electrical lanes and eight 200 Gbps optical lanes, achieving a compact, standardized module form factor optimized for next-generation AI applications. Building on six generations of PAM4 DSP innovation, Ara simplifies module design with integrated laser drivers, cutting costs while boosting performance. Its backward compatibility ensures smooth adoption alongside existing infrastructure, making it a critical component for data centers scaling AI workloads within strict power constraints.
Key Features
• 200 Gbps per channel interfaces: Delivering high bandwidth essential for AI-driven workloads.
• Integrated high-swing laser driver: Simplifies transceiver module design, reducing complexity and power use.
• PAM4 modulation: Enables efficient, high-speed data handling for demanding AI and cloud environments.
• Enhanced switching: Improves channel routing flexibility, optimizing network performance.
• Broad compatibility: Supports InfiniBand and Ethernet for diverse interconnect setups.
Availability
Marvell plans to sample Ara to select customers starting Q1 2025, with broader availability to follow.
“Ara sets a new industry standard by leveraging advanced 3nm technology to deliver significant power reduction, driving the volume adoption of 1.6 Tbps connectivity for AI infrastructure,” said Xi Wang, Vice President of Product Marketing for Optical Connectivity at Marvell. “With a co-optimized companion TIA, our next-generation PAM4 optical DSP platform empowers customers to scale generative AI and large-scale compute applications with best-in-class performance and unmatched energy efficiency.”





