Lenovo QSFP28 100 Gigabit Ethernet Transceiver Module

Overview

The Lenovo 4M27A67042 is a QSFP28 transceiver module designed to provide a reliable 100 Gigabit Ethernet connection for Lenovo networking and storage systems. It supports 100GBase-SR4 technology, enabling data transfer speeds up to 100 Gbps over multimode optical fiber distances of up to 328 feet. This module is ideal for enhancing bandwidth between servers, top-of-rack switches, and storage arrays within data centers.

Installation is simple, as the module fits into any compatible QSFP28 port and begins transmitting data immediately. Lenovo has qualified this transceiver for use with ThinkSystem Mellanox ConnectX-6 HDR InfiniBand adapters and DM7100F and DM7100H 4U storage chassis, ensuring tested compatibility and reliable performance.

Key features

• Delivers high-speed 100 Gbps connectivity using 100GBase-SR4 technology for short-reach optical fiber links
• QSFP28 plug-in form factor allows quick installation and easy field replacement without extended downtime
• Consolidates multiple 10 GbE or 25 GbE links into a single uplink, reducing cable clutter and simplifying network management
• Qualified for Lenovo ThinkSystem Mellanox ConnectX-6 HDR InfiniBand adapters and compatible with Lenovo DM7100F and DM7100H storage chassis for assured interoperability
• Supports bandwidth-intensive applications such as virtualized servers, storage replication, and high-performance computing clusters requiring low latency and consistent throughput

Key specs

• Data rate: 100 Gbps
• Technology: 100GBase-SR4
• Maximum reach: up to 328 feet (100 meters) over multimode optical fiber
• Form factor: QSFP28
• Compatibility: Lenovo ThinkSystem Mellanox ConnectX-6 HDR InfiniBand adapters, DM7100F and DM7100H 4U storage chassis

Connectivity and compatibility

This transceiver module integrates seamlessly into Lenovo data center environments, supporting high-speed connections between servers, switches, and storage devices. Its QSFP28 interface ensures broad compatibility with modern networking equipment designed for 100 Gigabit Ethernet, while Lenovo’s qualification process guarantees firmware and optics work together smoothly.

• QSFP28 port interface for straightforward plug-and-play installation
• Compatible with Lenovo ThinkSystem Mellanox ConnectX-6 HDR InfiniBand adapters
• Works with Lenovo DM7100F and DM7100H 4U storage chassis

Ideal uses and environments

This transceiver is well suited to data centers requiring high-capacity uplinks that reduce complexity and improve network efficiency. It fits well in environments where consolidating multiple lower-speed links into a single 100 Gbps connection is beneficial, such as virtualized server farms, storage replication setups, and high-performance computing clusters. Its short-reach optical design makes it a strong choice for intra-rack or adjacent rack connections.