Broadcom Unveils 3nm 400G DSP for High-Density Optical Fiber

Broadcom has launched the Taurus BCM83640, a cutting-edge optical DSP built on a 3nm process node, specifically designed for modern data center needs. The Taurus enables 400G throughput per lane and supports up to 1.6T transceivers, significantly improving bandwidth density and reducing the limitations posed by existing 200G technology. With a single 1RU switch capable of delivering 102.4T of switching capacity, this advancement caters to the increasing demands of AI clusters that can exceed 100,000 GPUs.

This development has substantial strategic implications. By enhancing optical networking capabilities, Broadcom supports the shift towards next-gen AI infrastructures that require high-density optical solutions. The improved throughput efficiency not only maximizes performance but also simplifies the transition to advanced 3.2T optical modules. This move aligns with the goal of increasing national AI autonomy by reducing reliance on foreign technologies for critical infrastructure in data centers, thereby bolstering domestic capabilities in high-performance computing and networking.