BCM53406A0KFSBG

Overview

The BCM53406A0KFSBG is a high-performance Ethernet switch integrated circuit manufactured by Broadcom Limited. It features a switching architecture supporting twelve 10 Gb/s ports and twelve ports configurable for 1 Gb/s, 2.5 Gb/s, or 5 Gb/s operation. The device integrates multiple interface standards including GMII, PCIe, QSGMII, RXAUI, USB, and XAUI to facilitate complex network connectivity. Designed for enterprise and data center environments, it provides robust packet processing capabilities with support for advanced quality of service policies.

Feature Summary

• Integrates twelve dedicated 10 Gigabit Ethernet ports alongside twelve multi-rate ports supporting 1, 2.5, and 5 Gigabit speeds
• Supports diverse interface protocols including GMII, PCIe, QSGMII, RXAUI, USB, and XAUI for flexible system integration
• Delivers high-throughput packet switching performance suitable for demanding network infrastructure applications

Applications

• Enterprise core and distribution layer networking switches
• Data center top-of-rack and spine switch implementations
• High-density server aggregation platforms requiring mixed speed port configurations

Procurement Notes

Verify the specific ordering suffix and package variant against the official Broadcom datasheet before procurement. Confirm that the component meets all RoHS compliance requirements specified in the manufacturer documentation. Ensure that the supply chain partner provides valid traceability records and authentic product certification to mitigate counterfeiting risks during acquisition.

Selection Notes

Select this component when a solution requires a high port count with mixed 10G and lower-speed Ethernet interfaces within a single integrated circuit. Evaluate thermal management requirements due to the high pin count and power consumption associated with dense switching architectures. Compare against alternative Broadcom series models to ensure compatibility with existing board layouts and software drivers.

Part Context

This part belongs to the Broadcom BCM53xxx series of Ethernet switching solutions, designed for scalable network infrastructure. It complements other devices in the family by offering specific port density configurations tailored for modern data center and enterprise switching demands. The component represents an evolution in integrated switching technology focusing on throughput and interface flexibility.

Replacement Considerations

Consult the official Broadcom replacement guide for verified substitute part numbers. Cross-reference pinouts and electrical specifications with potential alternatives to ensure functional equivalence without redesigning the host system.