SS22-0B00-02

Specialized Overview

The SS22-0B00-02 is a PCIe Gen 5.0 switch from the Broadcom PEX89000 series, internally designated as PEX89072. It features 72 lanes and 36 ports, supporting 32 GT/s data rates. The device provides up to 1024 GB/s of raw bandwidth per x16 port. It integrates dual-core ARM A15 processors for traffic management and includes embedded SRAM. Key specifications include 115 ns latency, support for MSI-X, and a power consumption of approximately 29W. The component is housed in a 47.5x47.5 mm package.

Specialized Feature Summary

• PCIe Gen 5.0 Express Fabric Technology with 32 GT/s SerDes
• Dual-core ARM A15 embedded processor for I/O management
• Low-latency switching architecture reducing host CPU overhead
• High-density connectivity with 72 lanes and 36 ports

Specialized Applications

• Hyperscale Compute systems
• AI/ML infrastructure
• Data Center and Cloud Platforms
• Server and Storage applications

Specialized Procurement Notes

Verify the specific revision level and manufacturing date code against the official Broadcom datasheet to ensure compatibility with current design requirements. Confirm that the package dimensions and pinout match the target PCB layout. Check for any recent Product Change Notifications (PCNs) that may affect material composition or assembly parameters. Ensure sourcing channels provide authentic components with traceable history to mitigate counterfeit risks.

Specialized Selection Notes

Select this model when designing systems requiring high-bandwidth PCIe Gen 5.0 interconnects with low latency. Compare lane counts and power profiles against alternative switches like the SS23 or SS24 variants if different port densities are needed. Evaluate the integrated ARM processor capabilities for offloading network stack tasks. Consider thermal management solutions given the 29W power dissipation in the specified package size.

Specialized Part Context

This component belongs to the PEX89000 family, representing Broadcom's ninth-generation PCIe switches. It succeeds previous Gen 4.0 architectures by offering significantly improved power efficiency per gigabyte transferred. The series is positioned for advanced computing workloads, distinguishing itself through integrated processing cores and high-speed serial interfaces optimized for modern data center topologies.

Specialized Replacement Considerations

Direct functional substitutes within the same generation include the SS23-0B00-02 (PEX89088) and SS24-0B00-00 (PEX89104), which offer higher lane counts. For legacy compatibility, earlier generation switches such as those in the PEX87xx series may serve as alternatives but will lack Gen 5.0 performance. Verify software SDK compatibility when migrating between different switch families.