P44259-B21 HPE 10GB/25GB SFP28 SR Transceiver

HPE P44259-B21 SFP28 Transceiver Module

The HPE P44259-B21 SFP28 transceiver module is engineered to deliver high-speed data networking performance for modern enterprise, cloud, and data center infrastructures. Designed to support both 10Gb and 25Gb Ethernet environments, this plug-in module ensures reliable connectivity, low latency, and scalable bandwidth for demanding network applications. Its compact SFP28 form factor allows seamless integration into compatible HPE networking devices, making it a flexible and future-ready networking solution.

Manufacturer and Product Identification Details

• Manufacturer: HPE
• Part Number: P44259-B21
• Product Name: SFP28 Network Transceiver Module
• Product Type: SFP28 Plug-in Module

Network Standards and Speeds

• Network Technology: 25GBASE-SR
• Supported Data Rates: 10Gbps and 25Gbps
• Optimized for short-range, high-speed Ethernet links

Media Support Highlights

• Media Type Supported: Twisted Pair
• Reliable short-distance data transmission
• Optimized for dense networking architectures

Port and Interface Specifications

• Interface Details: 1 x 25GBASE-SR Network LAN
• Total Number of Ports: 1
• Hot-pluggable SFP28 form factor

Key Deployment Benefits

• Seamless integration with HPE networking platforms
• Hot-plug support for minimal downtime
• Compact SFP28 design for high-density ports

HPE P44259-B21 Transceiver Solutions for Enterprise

The HPE P44259-B21 10GB/25GB Network LAN Plug-in Module is positioned within the advanced category of high-performance Ethernet transceivers designed to support modern enterprise networking, cloud infrastructure, and data center connectivity. This category focuses on scalable, reliable, and low-latency networking components that enable seamless communication between servers, switches, and storage platforms. Built to align with Hewlett Packard Enterprise networking standards, this transceiver module supports evolving bandwidth requirements while maintaining compatibility with existing infrastructure investments.

Network transceivers in this category play a crucial role in bridging physical network media with switching and routing hardware. The HPE P44259-B21 module is engineered to support both 10 Gigabit and 25 Gigabit Ethernet speeds, allowing organizations to transition smoothly from legacy 10Gb environments to higher-throughput 25Gb architectures without redesigning their entire network topology. This dual-speed capability makes the category particularly valuable for enterprises seeking flexible upgrade paths.

Role of 10GB and 25GB Ethernet Transceivers in Modern Networks

The demand for increased data throughput continues to grow as virtualization, cloud computing, artificial intelligence workloads, and big data analytics place higher pressure on network backbones. Ethernet transceivers operating at 10Gb and 25Gb have become foundational elements in addressing these requirements. The HPE P44259-B21 transceiver category supports high-speed data transfer while preserving signal integrity and minimizing packet loss across short to medium-range connections.

Within enterprise LAN and data center environments, 25 Gigabit Ethernet is increasingly favored due to its improved bandwidth efficiency and cost-effectiveness when compared to older 40Gb implementations. The ability of this category to operate at both 10Gb and 25Gb allows IT teams to standardize on a single transceiver type while accommodating mixed-speed network segments, which is especially beneficial in phased infrastructure upgrades.

Optical Connectivity and 25GBASE-SR Technology

The HPE P44259-B21 belongs to a class of optical networking transceivers that leverage short-range optical signaling technology, commonly associated with 25GBASE-SR standards. This category is optimized for high-speed communication over multimode fiber, typically used within data centers, wiring closets, and campus networks where distances are relatively limited but performance requirements are high.

Short-range optical transceivers are designed to deliver consistent throughput with minimal electromagnetic interference, making them well-suited for dense rack deployments and high-port-count switching environments. The optical nature of this category ensures reliable data transmission, lower latency, and improved signal stability compared to traditional copper-based alternatives, particularly at higher data rates.

Compatibility with HPE Networking Ecosystems

A defining characteristic of the HPE P44259-B21 transceiver category is its seamless integration with HPE networking hardware, including switches, adapters, and server network interfaces. These plug-in modules are validated by HPE to ensure firmware-level compatibility, consistent performance, and reliable operation within supported platforms. This compatibility reduces deployment risks and simplifies network design for organizations standardized on HPE infrastructure.

By aligning with HPE networking specifications, this category supports features such as auto-negotiation, link monitoring, and enhanced diagnostics when deployed within HPE-managed environments. These capabilities contribute to improved operational visibility and streamlined network management across enterprise and data center deployments.

Form Factor and Plug-in Module Design

The transceivers in this category are designed as compact plug-in modules, allowing for hot-plug installation and replacement without network downtime. This modular approach supports high availability requirements by enabling rapid maintenance, upgrades, or replacements while systems remain operational. The compact form factor also supports high-density switch configurations, maximizing port utilization within limited rack space.

Plug-in module design contributes to improved airflow management and thermal efficiency within networking equipment. By minimizing physical footprint and power consumption, this category supports energy-efficient data center operations while maintaining high-performance networking capabilities.

Enterprise LAN and Data Center Use Cases

The HPE P44259-B21 category addresses a wide range of enterprise networking scenarios, from server-to-switch connections in data centers to high-speed uplinks within campus LAN environments. These transceivers are commonly deployed in top-of-rack, end-of-row, and core switching architectures where reliable high-bandwidth connectivity is essential.

In data center environments, this category supports east-west traffic patterns generated by virtualized workloads, containerized applications, and distributed storage systems. The ability to handle sustained high throughput makes these transceivers suitable for mission-critical applications that demand consistent performance and low latency.

Scalable Network Architectures

Scalability is a core requirement in modern network design, and the HPE P44259-B21 transceiver category is engineered to support incremental growth without disruptive changes. By enabling both 10Gb and 25Gb connectivity, organizations can scale bandwidth as application demands increase while preserving existing cabling and hardware investments where possible.

This scalability is particularly valuable in environments adopting spine-leaf architectures, where higher port speeds and predictable latency are essential. The category supports efficient aggregation of network traffic, helping to eliminate bottlenecks and maintain consistent application performance as infrastructure scales.

Reliability, Signal Integrity, and Performance Consistency

Reliability is a defining attribute of enterprise-grade networking components, and the HPE P44259-B21 category emphasizes consistent signal quality and long-term operational stability. Optical transceivers are less susceptible to electromagnetic interference, which helps maintain data integrity even in electrically noisy environments such as densely populated data centers.

Performance consistency across varying workloads is achieved through precise optical signaling and adherence to Ethernet standards. This category is designed to deliver predictable latency and throughput, which is critical for applications such as real-time analytics, financial transactions, and high-performance computing clusters.

Thermal Management and Power Efficiency

Effective thermal management is essential for maintaining network reliability, especially in high-density deployments. The transceivers within this category are engineered to operate within defined thermal envelopes, ensuring stable performance even under sustained load. Efficient power usage also contributes to reduced operational costs and improved overall data center energy efficiency.

Power-efficient design allows organizations to deploy large numbers of transceivers without significantly increasing power and cooling requirements. This makes the category well-suited for modern data centers focused on sustainability and optimized resource utilization.

Interoperability and Standards Compliance

The HPE P44259-B21 transceiver category is built to comply with established Ethernet and optical networking standards, ensuring interoperability with compatible devices and network components. Standards compliance enables predictable behavior across multi-vendor environments, which is increasingly important in heterogeneous enterprise networks.

By adhering to recognized specifications, this category supports reliable link establishment, consistent error handling, and standardized management interfaces. These attributes simplify network planning and reduce the complexity associated with integrating new hardware into existing environments.

Future Network Evolution

As network speeds continue to increase and application requirements evolve, transceiver categories that support higher bandwidths and flexible deployment models become essential. The dual-speed capability of the HPE P44259-B21 category positions it as a forward-looking solution that can adapt to changing network demands without immediate replacement.

This forward compatibility allows organizations to extend the lifecycle of their networking investments while preparing for future upgrades. By selecting transceivers designed for both current and emerging use cases, enterprises can maintain agility and responsiveness in an increasingly data-driven landscape.