Microchip Technology

PM40100B1-FEI

PM40100B1-FEI Description

The PM40100B1-FEI from Microchip Technology is a high-performance 100-lane PCIe Gen4 fanout switch designed for demanding data center, storage, and networking applications. Part of the Switchtec® series, this surface-mount IC enables efficient PCIe signal distribution with low latency and high bandwidth. Packaged in a tray and compliant with ROHS3 and REACH environmental standards, it operates reliably under MSL 1 (Unlimited) conditions, ensuring robustness in industrial environments. Its PCI interface supports advanced features like non-transparent bridging (NTB) and multi-host connectivity, making it ideal for scalable architectures.

PM40100B1-FEI Features

• 100-lane PCIe Gen4 support: Delivers up to 16 GT/s per lane for high-throughput data transfer.
• Low-latency switching: Optimized for real-time applications with minimal signal degradation.
• Advanced fanout capabilities: Enables 1:100 port expansion for scalable system designs.
• Non-transparent bridging (NTB): Facilitates seamless communication between isolated PCIe domains.
• Robust compliance: ROHS3 and REACH unaffected, ensuring environmental and regulatory adherence.
• Industrial reliability: MSL 1 (Unlimited) rating guarantees performance in harsh conditions.

PM40100B1-FEI Applications

• Data center infrastructure: Ideal for NVMe-oF (NVMe over Fabrics) and disaggregated storage architectures.
• High-performance computing (HPC): Supports GPU/FPGA clustering and multi-host systems.
• Networking equipment: Enables PCIe fabric expansion in switches and routers.
• Enterprise storage: Optimized for JBOD/RAID systems requiring high lane density.
• Telecommunications: Used in 5G baseband units (BBUs) for low-latency backhaul connectivity.

Conclusion of PM40100B1-FEI

The PM40100B1-FEI stands out as a high-density, low-latency PCIe switch for modern data-centric applications. Its 100-lane Gen4 support, combined with NTB and multi-host capabilities, makes it superior to conventional switches in scalability and flexibility. Whether deployed in cloud data centers, HPC, or 5G infrastructure, this switch ensures future-proof performance while meeting stringent environmental and reliability standards. A critical component for engineers designing next-gen PCIe-based systems.