720187-B21 HPE Bladesystem 100M Transceiver C-Class 40GB QSFP+ SR4

The HPE 720187-B21 Bladesystem C-Class 40GB QSFP+ SR4

The HPE 720187-B21 Bladesystem C-Class 40GB QSFP+ SR4 100M Transceiver is a high-performance optical networking module designed for enterprise-grade data centers, high-density blade systems, and modern cloud infrastructure environments. This transceiver is part of the Quad Small Form-Factor Pluggable Plus (QSFP+) family and supports 40 Gigabit Ethernet (40GbE) connectivity over multimode fiber, making it a critical component for high-speed, low-latency network architecture in scalable IT deployments.

Engineered specifically for HPE BladeSystem C-Class infrastructure, this module ensures seamless interoperability, optimized bandwidth delivery, and reliable optical transmission over short to medium distances up to 100 meters using OM3 or OM4 multimode fiber cabling. Its SR4 (Short Range 4-lane) design enables efficient parallel optical transmission using multiple lanes, ensuring balanced data flow and improved network performance.

QSFP+ SR4 40G Optical Technology

The QSFP+ SR4 technology used in the HPE 720187-B21 transceiver represents a significant advancement in high-speed data transmission. QSFP+ modules combine four independent transmit and receive channels, each operating at 10Gbps, to achieve an aggregate bandwidth of 40Gbps. This parallel architecture allows data centers to significantly increase throughput without requiring a proportional increase in physical fiber infrastructure.

SR4 refers to Short Range 4-lane optical transmission, which uses vertical-cavity surface-emitting laser (VCSEL) technology operating over multimode fiber. The module typically uses an MPO/MTP connector interface with 12 fibers, four of which are used for transmitting data, four for receiving, and the remaining fibers used for alignment and redundancy depending on system configuration.

HPE BladeSystem C-Class Integration

The HPE 720187-B21 transceiver is specifically designed for seamless integration into HPE BladeSystem C-Class enclosures. These systems are widely used in enterprise data centers for their modular architecture, allowing organizations to scale compute and networking resources efficiently.

Compatibility with HPE networking hardware ensures optimized firmware alignment, enhanced diagnostics, and plug-and-play installation capabilities. This reduces configuration complexity and minimizes downtime during deployment or replacement cycles.

Key Features of HPE 720187-B21 40G QSFP+ SR4 Transceiver

The HPE 720187-B21 transceiver includes several advanced features that make it suitable for modern networking environments requiring high throughput and reliability. These features ensure stable performance in mission-critical applications such as virtualization clusters, storage networks, and large-scale enterprise applications.

High-Speed 40Gbps

With a total throughput of 40Gbps, this module significantly enhances network backbone capacity. It is particularly useful for environments experiencing heavy east-west traffic such as virtualization clusters and distributed computing systems.

MPO/MTP Connectivity Architecture

The MPO/MTP connector system used in the HPE 720187-B21 transceiver is essential for supporting parallel optical transmission. These connectors allow multiple fiber strands to be transmitted simultaneously through a single compact interface, significantly improving cable management efficiency.

This design reduces the physical complexity of fiber networks while increasing scalability and reducing installation time. Proper alignment and cleaning of MPO/MTP connectors are crucial for maintaining optimal performance and minimizing signal loss.

Use Cases

The HPE 720187-B21 QSFP+ SR4 transceiver is widely used in enterprise networking environments where high bandwidth and low latency are required. Its application spans multiple industries, including cloud computing, telecommunications, financial services, and scientific research computing.

High-Performance Computing (HPC)

In HPC environments, where parallel processing and massive data exchanges are common, this transceiver provides the required speed and reliability for inter-node communication.

Reliability and Enterprise-Grade

Reliability is a core requirement in enterprise networking hardware. The HPE QSFP+ SR4 transceiver is built to withstand continuous operation in demanding data center environments. Its robust design ensures consistent performance under varying thermal and workload conditions.

The module undergoes rigorous testing to meet industry standards for optical performance, durability, and compatibility, ensuring long-term operational stability.