P79829-B21 HPE 400GbE QSFP112 1-port Single-mode 500m Transceiver

HPE P79829-B21 400GbE QSFP112 Single-Mode Transceiver

The HPE P79829-B21 is a high-performance 400GbE QSFP112 optical transceiver engineered for modern data center, enterprise networking, cloud computing, artificial intelligence, and high-performance computing environments. Designed to support both InfiniBand XDR and Ethernet connectivity, this advanced networking module delivers exceptional bandwidth, reliable signal integrity, and low-latency communication across single-mode fiber infrastructure. With support for transmission distances of up to 500 meters, it enables efficient interconnection between switches, servers, storage systems, and network appliances operating in demanding workloads.

General Information

• Manufacturer: HPE
• Part Number: P79829-B21
• Device Category: Optical Transceiver

Technical Specifications

• Form Factor: QSFP112
• Network Speed: 400 Gigabit Ethernet
• Supported Technologies: InfiniBand XDR and Ethernet
• Fiber Type: Single-Mode Fiber (SMF)
• Maximum Reach: 500 Meters
• Weight: 0.21 kg (0.472 lb)
• Dimensions: 20 x 7.68 x 2.65 cm (7.87 x 3.02 x 1.04 inches)

Advanced Features and Benefits

• Supports ultra-fast 400GbE network communication.
• Compatible with modern QSFP112 networking platforms.
• Designed for high-density data center deployments.
• Low-latency performance for critical workloads.
• Suitable for AI, HPC, cloud, and enterprise environments.
• Reliable optical transmission over single-mode fiber.
• Helps improve network scalability and efficiency.
• Supports next-generation InfiniBand XDR connectivity.
• Enhances bandwidth availability for demanding applications.
• Optimized for continuous operation in professional environments.

Compatibility

• HPE high-performance networking solutions
• HPE data center switching platforms
• 400GbE Ethernet switches with QSFP112 ports
• InfiniBand XDR networking environments
• AI and machine learning clusters
• High-performance computing (HPC) systems
• Cloud computing infrastructures
• Enterprise storage networking deployments
• Large-scale virtualization platforms
• Modern hyperscale data centers

HPE P79829-B21 400GbE QSFP112 1-port Transceiver

The HPE P79829-B21 400GbE QSFP112 1-Port Single-Mode 500m InfiniBand XDR/Ethernet Transceiver is engineered for organizations that require ultra-fast network communication, exceptional bandwidth efficiency, and dependable long-distance optical connectivity. Designed to support modern enterprise infrastructures, cloud computing environments, artificial intelligence clusters, machine learning platforms, and high-performance computing deployments, this transceiver delivers outstanding performance across demanding networking workloads.

As data volumes continue to grow and application requirements become increasingly bandwidth intensive, organizations require networking solutions capable of supporting large-scale traffic flows without compromising speed or reliability. This optical transceiver provides an effective solution for environments seeking to maximize throughput while maintaining low latency communication across critical infrastructure components.

High-Speed 400GbE Optical Transceiver Technology

Built to support 400 Gigabit Ethernet connectivity, this transceiver enables data centers to handle substantial network traffic while reducing congestion and improving operational efficiency. The advanced QSFP112 form factor offers enhanced signal integrity and improved electrical performance, making it suitable for next-generation network architectures.

Modern enterprises increasingly rely on real-time analytics, distributed storage systems, virtualization technologies, and cloud-native applications. These workloads require extremely fast communication between servers, storage systems, and networking equipment. The transceiver supports these requirements by providing reliable high-bandwidth optical communication that helps maintain consistent application performance.

QSFP112 Form Factor Advantages

The QSFP112 interface represents a significant advancement in high-speed networking technology. Designed for modern networking equipment, the compact form factor allows organizations to achieve exceptional port density while maintaining efficient power utilization. This helps maximize switch and router capacity without increasing rack space requirements.

High-density deployments benefit from the smaller footprint provided by QSFP112 modules. Network administrators can deploy larger numbers of high-speed connections within existing infrastructure while simplifying cable management and maintaining operational flexibility.

Single-Mode Fiber Support for Extended Reach

Single-mode fiber technology enables reliable communication across greater distances than traditional multimode solutions. The HPE P79829-B21 transceiver supports transmission distances up to 500 meters, making it suitable for interconnecting critical network infrastructure throughout enterprise campuses, large data centers, and high-performance computing environments.

Organizations implementing spine-leaf architectures frequently require optical links capable of supporting extended distances while maintaining signal quality. Single-mode optical technology provides excellent performance characteristics that help ensure reliable communication across distributed infrastructure.

Optimized for InfiniBand XDR Environments

High-performance computing platforms demand exceptional communication efficiency between compute nodes, storage resources, and accelerator technologies. This transceiver supports InfiniBand XDR environments that require extremely fast data movement and low-latency communication.

Research institutions, scientific computing facilities, engineering organizations, and artificial intelligence training clusters rely on InfiniBand technologies to maximize computational performance. The transceiver contributes to efficient infrastructure operation by supporting rapid communication between interconnected systems.

Support for Modern Ethernet Infrastructure

Ethernet remains the foundation of enterprise networking worldwide. The HPE P79829-B21 transceiver supports advanced Ethernet deployments that require reliable 400GbE connectivity for mission-critical operations. Organizations implementing next-generation network architectures can utilize this transceiver to support growing bandwidth requirements while maintaining infrastructure consistency.

Large enterprises often operate environments that include cloud services, virtualization platforms, software-defined networking technologies, and distributed storage systems. Reliable high-speed optical connectivity helps ensure these technologies function efficiently and consistently.

Designed for Artificial Intelligence and Machine Learning 

Artificial intelligence platforms require rapid movement of massive datasets between compute resources, storage infrastructure, and accelerator hardware. High-bandwidth optical interconnects are critical for minimizing delays during training, inference, and analytical processes.

The transceiver helps support networking infrastructures designed for modern AI workloads by enabling efficient communication between servers and distributed computing resources. This capability contributes to improved workflow efficiency and enhanced infrastructure utilization.

Data Center Network Optimization

Modern data centers depend on efficient network architectures to deliver services, support applications, and maintain operational continuity. High-capacity optical transceivers play a vital role in enabling communication between switches, routers, storage systems, and servers.

The HPE P79829-B21 solution helps improve network efficiency by providing dependable high-speed optical connectivity that supports large-scale deployments. Its performance characteristics make it suitable for organizations seeking to modernize network infrastructure while supporting future growth requirements.

Reliability and Operational Stability

Enterprise environments require networking components that consistently deliver dependable performance. Optical transceivers must maintain signal quality and communication integrity under demanding operating conditions. This transceiver is designed to support continuous operation within modern networking infrastructures where uptime and reliability are essential.

Organizations investing in high-performance network infrastructure benefit from dependable optical connectivity that minimizes disruptions and supports business continuity objectives. Reliable communication links contribute directly to application availability, system responsiveness, and overall operational efficiency.

Scalability for Future Network Growth

As organizations continue expanding digital operations, networking infrastructure must accommodate increasing bandwidth demands and evolving application requirements. Deploying advanced 400GbE optical solutions provides a strong foundation for future growth initiatives while supporting current operational needs.

The HPE P79829-B21 transceiver enables businesses to build scalable architectures capable of adapting to changing technology requirements. Whether supporting cloud expansion, artificial intelligence adoption, advanced analytics platforms, or large-scale data center modernization projects, the transceiver contributes to a future-ready networking strategy.

High-Performance Optical Connectivity 

Organizations operating mission-critical workloads require networking solutions capable of delivering exceptional throughput, low latency communication, and reliable operation. The HPE P79829-B21 400GbE QSFP112 1-Port Single-Mode 500m InfiniBand XDR/Ethernet Transceiver addresses these requirements through advanced optical networking technology designed for modern enterprise and high-performance computing environments.

By supporting 400GbE Ethernet and InfiniBand XDR connectivity, single-mode fiber communication, and transmission distances up to 500 meters, this transceiver serves as a valuable component for organizations seeking to optimize network performance, improve infrastructure efficiency, and support demanding digital transformation initiatives.