P79828-B21 HPE 800GbE OSFP 2-port Single-mode InfiniBand 500m Transceiver

HPE P79828-B21 800GbE OSFP InfiniBand XDR Ethernet 

The HPE P79828-B21 is a high-bandwidth networking transceiver engineered to support next-generation data center, cloud computing, AI infrastructure, and high-performance computing environments. Designed with a dual-port OSFP interface, this advanced optical module delivers an exceptional 800GbE transfer rate while supporting both InfiniBand XDR and Ethernet connectivity. With a transmission range of up to 500 meters over single-mode fiber, it enables reliable long-distance communication between network devices while maintaining low latency and outstanding signal integrity.

General Information

• Manufacturer: HPE
• Part Number: P79828-B21
• Device Type: Optical Transceiver

Technical Specifications

• Form Factor: OSFP
• Network Speed: 800GbE
• Maximum Distance: 500 Meters
• Weight: 0.21 kg (0.472 lb)
• Dimensions: 20.8 x 5 x 1.7 cm (8.19 x 1.97 x 0.67 in)

High-Speed 800GbE Data Transmission

• Supports 800GbE networking speed for data-intensive operations
• Optimized for low-latency communication
• Enhances bandwidth availability across enterprise networks
• Suitable for AI clusters, HPC deployments, and cloud infrastructure
• Improves overall network efficiency and scalability

OSFP Form Factor 

• Industry-standard OSFP interface
• Supports high-density networking environments
• Efficient heat dissipation design
• Enables flexible deployment options
• Designed for future network expansion requirements

Extended Single-Mode Fiber Connectivity

• Maximum transmission distance of 500 meters
• Reliable long-range optical communication
• Reduced signal degradation over extended links
• Ideal for large-scale enterprise and data center deployments
• Consistent performance across demanding network infrastructures

Enterprise Networking Benefits

• Reduces network congestion
• Supports high-performance computing environments
• Enables faster workload processing
• Improves infrastructure scalability
• Provides dependable optical connectivity

Compatibility

• Compatible with HPE 800GbE OSFP-enabled networking switches
• Supports HPE InfiniBand XDR infrastructure deployments
• Suitable for Ethernet and InfiniBand high-speed fabric environments
• Designed for AI, machine learning, and HPC networking platforms
• Works with supported single-mode fiber cabling solutions

HPE P79828-B21 800GbE OSFP 2-port Transceiver

The HPE P79828-B21 800GbE OSFP 2-port Single-mode InfiniBand XDR/Ethernet 500m Transceiver is engineered for organizations that require ultra-high-speed networking infrastructure capable of supporting demanding enterprise, cloud, artificial intelligence, machine learning, and high-performance computing environments. Designed to deliver exceptional bandwidth, low latency, and reliable optical connectivity, this advanced transceiver technology enables efficient communication between servers, storage platforms, network switches, and large-scale computing clusters.

As networking architectures continue to evolve toward higher bandwidth requirements, organizations require optical solutions that can maintain consistent performance across extensive deployments. This category of 800GbE transceivers addresses those requirements by providing high-density connectivity options, advanced optical signaling capabilities, and compatibility with next-generation Ethernet and InfiniBand networking environments.

Advanced OSFP Optical Interface Technology

Octal Small Form-factor Pluggable technology has become an important standard for high-speed networking deployments. The OSFP design supports significantly greater bandwidth than earlier optical module generations while maintaining efficient thermal performance and installation flexibility.

The advanced architecture allows network administrators to deploy dense connectivity configurations without sacrificing airflow management or operational reliability. This capability is particularly beneficial in environments where rack space optimization and performance scalability are critical considerations.

Single-Mode Fiber Connectivity Advantages

Single-mode fiber technology provides superior transmission characteristics for long-distance optical communications. Unlike multimode solutions, single-mode optical networking utilizes a narrower optical path that minimizes signal dispersion and enables highly reliable data transmission over extended distances.

The 500-meter reach capability supports connectivity across large data center facilities, interconnected equipment rooms, enterprise campuses, research institutions, and advanced computing environments. This extended transmission distance helps organizations maintain high-speed communication while preserving signal quality and minimizing performance degradation.

InfiniBand XDR Networking Capabilities

InfiniBand XDR technology represents a major advancement in high-performance networking. Designed for environments requiring exceptional bandwidth and extremely low latency, InfiniBand XDR enables rapid communication between compute resources, storage systems, and specialized processing platforms.

Organizations deploying advanced analytics, scientific simulations, artificial intelligence training workloads, and large-scale computational applications often rely on InfiniBand technology to maximize performance efficiency. The transceiver category supports these demanding requirements by enabling high-speed optical communication pathways that help reduce bottlenecks and improve overall system responsiveness.

800GbE Ethernet Performance Enhancement

The evolution of Ethernet networking has created new opportunities for enterprises seeking greater network capacity. An 800GbE transceiver category supports extremely demanding applications where massive data volumes must be transported rapidly and reliably.

High-capacity Ethernet connectivity enables organizations to consolidate workloads, improve infrastructure utilization, and support bandwidth-intensive services without introducing network congestion. This capability is particularly important in environments utilizing virtualization, cloud computing, distributed databases, and large-scale storage systems.

Organizations implementing 800GbE infrastructure benefit from substantial improvements in network throughput, operational efficiency, and future scalability. The increased bandwidth supports rapidly growing traffic demands while simplifying infrastructure expansion planning.

Dual-Port Design for Enhanced Flexibility

The 2-port configuration provides additional deployment versatility for organizations seeking high-density connectivity options. Multiple ports enable efficient network architecture planning while supporting redundancy, load balancing, and expanded communication pathways.

Dual-port optical connectivity can contribute to improved network resilience and operational continuity. By enabling multiple communication channels, organizations can design infrastructures that support fault tolerance and optimized traffic distribution.

Data Center Optimization and Efficiency

Modern data centers face increasing pressure to deliver higher performance while maintaining operational efficiency. High-speed optical transceiver solutions contribute significantly to these goals by enabling dense networking configurations and maximizing bandwidth utilization.

The category supports environments where rapid data movement is essential, including enterprise resource planning systems, large-scale databases, virtualization clusters, cloud service platforms, and storage networks. By reducing communication delays and increasing throughput, organizations can achieve greater productivity from existing infrastructure investments.

Artificial Intelligence and Machine Learning 

Artificial intelligence and machine learning environments generate enormous volumes of data that must be processed, exchanged, and analyzed rapidly. High-bandwidth optical networking solutions play a crucial role in enabling efficient communication among GPUs, accelerators, compute nodes, and storage resources.

The 800GbE and InfiniBand XDR capabilities available within this category support the demanding communication requirements associated with model training, inference processing, distributed computing, and large-scale data analytics operations.

High-Performance Computing Applications

Research organizations, engineering firms, scientific institutions, and technology enterprises often deploy high-performance computing clusters to solve complex computational challenges. These environments depend heavily on fast and reliable network communication between compute resources.

The optical transceiver category supports HPC workloads by providing high-throughput data exchange capabilities that help maximize cluster efficiency and reduce communication overhead. This performance enhancement contributes to faster job completion and improved resource utilization.

Enterprise Storage Networking Integration

Storage environments increasingly require high-speed communication channels to support growing data volumes and performance expectations. Optical networking technologies help eliminate bottlenecks between storage arrays, servers, and application platforms.

Organizations implementing large-scale storage infrastructures can leverage advanced transceiver solutions to improve data accessibility, accelerate backup operations, and support demanding storage workloads. High-bandwidth optical links contribute to consistent application performance and efficient resource utilization.

Scalability for Future Network 

Organizations planning long-term infrastructure growth require networking solutions capable of supporting future bandwidth demands. The HPE P79828-B21 800GbE OSFP 2-port Single-mode InfiniBand XDR/Ethernet 500m Transceiver category addresses this requirement by delivering advanced optical connectivity aligned with next-generation networking strategies.

Its high-capacity architecture enables enterprises to prepare for increasing traffic volumes, emerging technologies, and evolving application requirements without frequent infrastructure redesign. This scalability supports long-term operational efficiency and helps maximize technology investment value.