1990-4721 HPE Aruba 25GBE SFP28 Transceiver Module

HPE Aruba 25GBE SFP28 Transceiver Module

The HPE Aruba 25GBE SFP28 Transceiver Module (Part Number: 1990-4721) is engineered for high-speed data transmission, offering reliable performance for enterprise networking environments.

General Details

• Brand: Hewlett Packard Enterprise
• Model Code: 1990-4721
• Product Type: Optical Transceiver Module

Technical Specifications

• Connection Type: Wired
• Cable Standard: 25GBASE-LR
• Protocol Supported: 25GbE
• Data Speed: 25 Gigabits per second
• Maximum Transmission Range: 6.2 miles (10 kilometers)

Expansion & Connectivity

• Interface: 1 x Ethernet 25GBASE-LR
• Connector Type: LC Single-mode

Advantages of Using HPE Aruba 25GBE SFP28

Performance Benefits

• High-speed data transfer for demanding workloads
• Extended reach suitable for large-scale networks
• Optimized for enterprise-grade reliability

Compatibility Highlights

• Seamless integration with HPE Aruba networking equipment
• Supports modern data center infrastructure
• Designed for scalability and future-proofing

Enterprise-Class 25GbE Optical Transceiver Module Overview

The HPE 1990-4721 Aruba 25GBE SFP28 Single Mode Fibre 10KM LC Connector Transceiver Module belongs to the advanced category of high-speed optical networking components designed to support modern enterprise, data center, and service provider infrastructures. This category focuses on 25 Gigabit Ethernet SFP28 transceivers optimized for long-distance single mode fibre connectivity, delivering a balance between performance, scalability, and reliability. Within high-density switching and routing environments, 25GbE SFP28 modules represent a significant evolution from legacy 10GbE technologies, enabling higher throughput without increasing port density or power consumption.

25GbE transceiver modules such as this Aruba-branded solution are engineered to operate within strict IEEE and MSA compliance frameworks. They provide deterministic performance, predictable latency, and consistent optical signaling, which are critical for mission-critical applications. The category emphasizes interoperability, seamless integration with Aruba switches, and long-term operational stability across diverse network topologies.

Positioning of SFP28 Modules in Modern Network Architectures

SFP28 transceivers occupy a crucial position in contemporary network design by offering 25 Gigabit Ethernet speeds using a compact and hot-pluggable form factor. This category is widely deployed in spine-leaf architectures, aggregation layers, and high-performance access networks. The HPE 1990-4721 Aruba 25GBE SFP28 Single Mode Fibre 10KM LC Connector Transceiver Module specifically addresses scenarios where extended reach and optical precision are required without compromising on throughput.

Single mode fibre transceivers in this class enable long-distance connections between data centers, campus buildings, or network segments separated by several kilometers. The 10KM reach capability ensures stable signal transmission across metropolitan-scale infrastructures while maintaining signal integrity and low bit error rates. This makes the category ideal for enterprises that require both speed and geographic flexibility.

Single Mode Fibre Transceiver Characteristics

Single mode fibre SFP28 transceivers are engineered to transmit optical signals over a narrow core fibre, allowing light to propagate in a single path. This category prioritizes long-distance performance, reduced signal dispersion, and superior attenuation characteristics compared to multimode solutions. The HPE Aruba 25GBE SFP28 module exemplifies these design principles by supporting consistent optical output and receiver sensitivity optimized for extended reach.

The use of single mode fibre also supports future scalability, as it can accommodate higher bandwidth upgrades without replacing the underlying cabling infrastructure. This positions the category as a long-term investment for organizations planning gradual network expansion.

Optical Wavelength and Signal Stability

25GbE SFP28 single mode transceivers typically operate around a standardized optical wavelength that ensures compatibility with common single mode fibre deployments. This wavelength selection minimizes chromatic dispersion over long distances and contributes to stable data transmission. The category emphasizes precision laser control, temperature stability, and robust signal modulation techniques.

Signal stability is a defining attribute, especially in environments where continuous uptime is required. Enterprise networks depend on predictable optical behavior to maintain service-level agreements, and transceivers in this category are engineered to meet these expectations consistently.

LC Connector Interface Design

The LC connector interface is a defining feature of this category, offering a compact and reliable termination method for single mode fibre cables. LC connectors are widely adopted due to their small footprint, secure latch mechanism, and excellent insertion loss characteristics. The HPE 1990-4721 Aruba 25GBE SFP28 Single Mode Fibre 10KM LC Connector Transceiver Module leverages this interface to support high-density switch configurations without sacrificing accessibility or cable management efficiency.

Within enterprise racks and data center cabinets, LC connectors enable efficient routing of fibre cables, reducing congestion and improving airflow. This category therefore aligns well with modern data center design best practices.

Connector Reliability and Long-Term Performance

Reliability at the physical connection point is essential for maintaining consistent optical performance. LC connectors used in this category are designed to withstand repeated insertions and removals while maintaining low reflectance and stable alignment. This ensures that transceivers continue to operate within specified parameters over extended operational lifecycles.

25 Gigabit Ethernet Performance Advantages

The transition from 10GbE to 25GbE represents a significant leap in network performance, and this category is central to that evolution. By delivering 25 gigabits per second per port, SFP28 transceivers allow organizations to increase aggregate bandwidth without increasing the number of physical ports or cables. This results in more efficient use of switch resources and reduced overall infrastructure complexity.

The HPE Aruba 25GBE SFP28 transceiver category supports demanding workloads such as virtualization, cloud computing, big data analytics, and real-time applications. High throughput combined with low latency ensures that data-intensive processes can operate smoothly across distributed systems.

Bandwidth Efficiency and Network Consolidation

One of the key benefits of this category is bandwidth efficiency. 25GbE enables network consolidation by replacing multiple lower-speed links with fewer high-speed connections. This simplifies network design, reduces cabling requirements, and lowers power consumption per transmitted bit.

For enterprises modernizing their networks, the category provides a clear upgrade path that balances cost, performance, and scalability.

Latency Optimization in High-Speed Optical Links

Latency is a critical performance metric in high-speed networks, and 25GbE SFP28 transceivers are designed to minimize transmission delays. Optical signal processing within this category emphasizes fast modulation and efficient error correction, resulting in predictable and low-latency communication.

This makes the category particularly suitable for latency-sensitive applications such as financial trading platforms, real-time analytics, and interactive cloud services.

Aruba Compatibility and Ecosystem Integration

The HPE 1990-4721 Aruba 25GBE SFP28 Single Mode Fibre 10KM LC Connector Transceiver Module is specifically designed to integrate seamlessly within the Aruba networking ecosystem. This category prioritizes firmware compatibility, switch recognition, and consistent operational behavior when deployed with Aruba switches and network management tools.

Native compatibility reduces the risk of interoperability issues and simplifies deployment, enabling network administrators to implement high-speed optical links with confidence.

Interoperability with Enterprise Switching Platforms

Within this category, transceivers are validated against a range of enterprise switching platforms to ensure reliable operation. Aruba-certified modules undergo rigorous testing to verify performance, thermal behavior, and optical characteristics. This validation process is critical for maintaining network stability in complex environments.

Interoperability also extends to standardized management interfaces, allowing administrators to monitor optical parameters such as transmit power and receive sensitivity through familiar tools.

Operational Consistency Across Distributed Networks

Large-scale enterprise and campus networks require consistent behavior across multiple locations. The category addresses this need by delivering uniform performance characteristics regardless of deployment scenario. Whether used in core, aggregation, or access layers, 25GbE SFP28 single mode transceivers provide predictable results.

Thermal Management and Power Efficiency

Power efficiency is a defining concern in modern data centers, and this category is engineered with low power consumption in mind. 25GbE SFP28 transceivers are designed to deliver high performance while maintaining efficient thermal profiles. The HPE Aruba module reflects this focus by operating within strict power envelopes that support high-density deployments.

Effective thermal management contributes to overall system reliability by reducing heat buildup within switches and racks. This category supports consistent operation even in environments with limited cooling capacity.

Heat Dissipation in High-Density Environments

As network devices become more compact and port-dense, efficient heat dissipation becomes increasingly important. SFP28 transceivers in this category are designed to dissipate heat effectively through their metallic housings and optimized internal layouts.

This ensures stable operation during sustained high-throughput workloads, reducing the likelihood of thermal throttling or premature component degradation.

Energy Efficiency and Operational Cost Control

Lower power consumption directly translates into reduced operational costs over the lifecycle of a network. By adopting 25GbE SFP28 single mode transceivers, organizations can achieve higher performance without proportional increases in energy usage. This category aligns with sustainability goals and long-term cost optimization strategies.

Scalability and Future-Proof Network Design

Scalability is a central theme within the 25GbE SFP28 single mode transceiver category. As bandwidth demands continue to grow, organizations require networking components that can support incremental upgrades without disruptive infrastructure changes. The HPE Aruba 25GBE SFP28 module fits seamlessly into this forward-looking strategy.

By leveraging single mode fibre and standardized form factors, this category enables smooth transitions to higher-speed technologies while preserving existing investments.