BCM56850A2KFSBG

Overview

The BCM56850A2KFSBG is a high-performance Ethernet switch integrated circuit manufactured by Broadcom Limited. It belongs to the StrataXGS Trident 4-X11C family, designed for enterprise core networks and high-capacity data center applications. The device supports a switching capacity of up to 12.8 Tbps and offers flexible port configurations, including support for 128x 100GbE or 32x 400GbE interfaces. Key technical features include compiler-programmable architecture, hardware-accelerated VXLAN/NVGRE/Geneve/SRv6 network virtualization, and BroadScan flow analysis engine capable of inspecting up to 512k packets at line rate. It integrates four GHz-class on-chip processors for robust out-of-band telemetry and embedded applications.

Feature Summary

• Compiler-programmable architecture enabling flexible forwarding logic and instrumentation
• Hardware acceleration for major network virtualization protocols including SRv6
• Integrated BroadScan flow analysis engine for deep packet inspection and security
• Support for advanced congestion management and dynamic load balancing

Applications

• Enterprise core network routing and switching
• High-density data center top-of-rack and spine switches
• Network slicing implementations requiring SRv6 support
• DDoS protection and application load balancing appliances

Procurement Notes

Verify the specific ordering suffix against the official Broadcom datasheet to ensure correct package type, temperature range, and lead time specifications. Confirm RoHS compliance status and check for any recent lifecycle notices or obsolescence warnings directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring 12.8 Tbps switching fabric with high port density. Ensure the design supports 7nm process power requirements and utilizes compatible Network Operating Systems (NOS) that support the Trident 4-X11C programmable features. Validate thermal management solutions for high-throughput scenarios.

Part Context

This part is part of the Broadcom StrataXGS Trident 4-X11C series, targeting next-generation enterprise core and cloud infrastructure. It represents an evolution in high-capacity switching, focusing on energy efficiency and programmability compared to previous generations like the Trident 3 series.

Replacement Considerations

Potential substitutes within the Broadcom portfolio include other members of the Trident 4 family such as the BCM56690A0KFSBG for lower capacity needs or the BCM56890A0KFSBG if different port densities are required. Cross-referencing pinouts and software compatibility is essential.