P45641-B23 HPE 400GB Infiniband Ndr/Ethernet 1-Port OSFP PCIe5 x16 Adapter MCX75310AAS-NEAT

Bus‑Level Advantages

• High‑reliability electrical design for mission‑critical workloads
• Superior throughput for data‑intensive applications
• Future‑proof architecture ready for scalable infrastructure expansion

Interface Specifications

• 1 × 400Gb Ethernet / 400Gb Infiniband NDR (OSFP)
• Dual‑mode operation for seamless protocol switching
• Engineered for environments requiring extreme bandwidth density

Peak Data Performance

• Sustained throughput reaching 400 Gbps
• Ideal for HPC clusters, AI training nodes, and large‑scale data fabrics

High‑Speed Transfer Capabilities

• Ultra‑fast 400Gb data movement for latency‑sensitive workloads
• Efficient integration into existing Ethernet or Infiniband infrastructures
• Optimized for environments requiring continuous high‑bandwidth streams

Versatile Deployment Options

• Supports mixed‑protocol data center architectures
• Ideal for enterprise, hyperscale, and cloud‑service environments
• Flexible OSFP design for modular connectivity

Key Functional Strengths

• Dual‑mode Ethernet/Infiniband compatibility for broad interoperability
• Massive throughput enabling accelerated data‑heavy operations
• Space‑efficient form factor supporting diverse chassis layouts
• Forward‑looking design ready for evolving infrastructure demands

HPE P45641-B23 400GB 1-Port OSFP PCIe Adapter

The HPE P45641-B23 Infiniband NDR/Ethernet 400GB 1-Port OSFP PCIe 5.0 x16 Adapter is a high-performance networking solution designed for next-generation data centers, high-performance computing environments, artificial intelligence workloads, cloud infrastructures, and enterprise applications that require extremely high bandwidth and ultra-low latency communication. This advanced adapter combines InfiniBand NDR and Ethernet networking capabilities to deliver exceptional data transfer performance, flexible connectivity, and efficient network acceleration for demanding computing environments.

Built around modern networking technologies, the HPE P45641-B23 adapter provides a single 400Gbps port interface through an OSFP form factor and utilizes a PCI Express 5.0 x16 host interface to maximize throughput between the server system and the network infrastructure. The adapter is engineered to support large-scale deployments where rapid data movement, optimized workload processing, and reliable network communication are essential. It is designed for use with compatible HPE server platforms and provides advanced networking capabilities required by modern accelerated computing environments.

Advanced 400Gbps High-Speed Network Connectivity

The HPE P45641-B23 Infiniband NDR/Ethernet Adapter delivers 400Gbps connectivity through a single OSFP port, enabling extremely fast communication between servers, storage systems, switches, and other network devices. This level of bandwidth supports data-intensive applications that require rapid exchange of information, including artificial intelligence training, machine learning operations, scientific simulations, financial analytics, and large-scale virtualization environments.

The 400Gbps network capability allows organizations to handle increasing volumes of data while reducing bottlenecks within high-performance computing clusters. By providing significantly improved throughput compared with previous generations of networking adapters, this adapter helps maximize server performance and improves the efficiency of distributed computing environments.

400 Gigabit Ethernet Performance

The Ethernet functionality of the HPE P45641-B23 adapter enables high-speed network communication using advanced Ethernet standards. With support for 400Gb Ethernet connectivity, the adapter provides a scalable networking solution for modern data centers that require increased bandwidth density and efficient infrastructure expansion.

High-speed Ethernet connectivity allows servers to communicate effectively with network switches, storage platforms, and cloud infrastructure components. The adapter supports demanding enterprise applications by providing fast and reliable data transmission while helping reduce network congestion in bandwidth-intensive environments.

InfiniBand NDR Technology for High-Performance Computing

The HPE P45641-B23 adapter incorporates InfiniBand NDR technology, providing extremely low-latency communication designed for high-performance computing and accelerated workloads. InfiniBand networking is widely used in environments where predictable performance, efficient communication, and scalable cluster connectivity are critical.

NDR InfiniBand technology enables advanced cluster networking capabilities, making this adapter suitable for applications that require rapid synchronization between multiple computing nodes. It helps improve the performance of parallel processing workloads by providing efficient communication pathways between servers and accelerator-based systems.

PCI Express 5.0 x16 Host Interface Architecture

The HPE P45641-B23 adapter features a PCI Express 5.0 x16 interface, providing a high-bandwidth connection between the adapter and the host server. PCIe 5.0 technology offers increased data transfer capability compared with previous PCI Express generations, allowing the adapter to operate effectively at its full networking performance potential.

The PCIe 5.0 x16 architecture ensures that network traffic can move efficiently between the server processor, memory subsystem, and external network infrastructure. This helps prevent interface limitations and supports consistent performance during intensive data transfers.

High-Bandwidth Server Integration

Designed for integration into advanced HPE server platforms, the adapter provides an optimized networking interface for systems that require maximum throughput. The PCIe 5.0 x16 connection allows servers to take full advantage of 400Gbps networking capabilities while maintaining efficient communication between hardware components.

The adapter architecture is optimized for modern computing environments where processors, GPUs, accelerators, and storage systems generate large amounts of data. By providing a high-speed connection between the server and network fabric, the adapter contributes to improved application performance and infrastructure efficiency.

OSFP Form Factor and Flexible Network Deployment

The HPE P45641-B23 uses an OSFP (Octal Small Form-factor Pluggable) interface designed for next-generation high-speed networking applications. The OSFP form factor supports advanced optical and direct-attach connectivity options required for 400Gbps networking deployments.

The OSFP interface provides flexibility for connecting servers to compatible networking equipment using appropriate transceiver modules and cables. This enables organizations to build scalable network architectures that support future bandwidth requirements and evolving data center technologies.

Single-Port 400Gbps Network Adapter

The single-port design of the HPE P45641-B23 adapter focuses on delivering maximum bandwidth through one high-performance connection. A single 400Gbps port simplifies network architecture while providing sufficient capacity for demanding workloads.

This configuration is especially beneficial for high-density server environments where maximizing performance per expansion slot is important. The adapter delivers substantial network capability while maintaining efficient use of available server resources.

Enterprise Data Center Networking Capabilities

The HPE P45641-B23 Infiniband NDR/Ethernet Adapter is designed for enterprise data centers that require reliable, high-speed, and scalable networking solutions. Modern applications generate increasingly large datasets, requiring networking components capable of supporting rapid communication between servers, storage systems, and computing resources.

This adapter provides the connectivity foundation required for advanced infrastructure environments, including hyperscale computing, artificial intelligence platforms, research facilities, and enterprise cloud deployments. Its combination of InfiniBand and Ethernet support allows organizations to select the appropriate networking technology based on application requirements.

Optimized Communication for Cluster Environments

High-performance clusters depend on fast and consistent communication between interconnected systems. The HPE P45641-B23 adapter helps provide the network performance required for cluster computing by reducing communication delays and increasing available bandwidth.

The adapter is suitable for environments where multiple servers operate together as a unified computing platform. Its advanced networking capabilities support efficient workload distribution and improve overall cluster responsiveness.

Advanced Network Efficiency and Performance Optimization

The HPE P45641-B23 adapter is engineered to improve network efficiency through high-speed connectivity, advanced protocol support, and optimized data transfer capabilities. It helps organizations reduce infrastructure limitations caused by traditional networking technologies and prepares systems for future performance requirements.

With support for both InfiniBand NDR and Ethernet technologies, the adapter provides flexibility for different deployment models. Organizations can integrate the adapter into specialized computing environments while maintaining compatibility with modern network architectures.

Low-Latency Data Transfer Capability

Low latency is a critical requirement for applications that depend on rapid communication between computing resources. The HPE P45641-B23 adapter provides optimized communication pathways that help reduce delays in data exchange.

This capability benefits applications such as real-time analytics, scientific computing, simulation platforms, and distributed databases where fast response times are essential. Efficient data movement helps improve application performance and supports more effective utilization of computing resources.

Scalable Infrastructure

The adapter supports scalable infrastructure designs by providing the bandwidth required for growing workloads. As organizations expand computing environments and deploy more demanding applications, high-speed networking adapters become essential components for maintaining performance.

The HPE P45641-B23 provides a foundation for future-ready data center expansion by supporting advanced network speeds and next-generation connectivity standards. It helps organizations build infrastructure capable of handling increasing data requirements.

Compatibility and Enterprise Deployment Applications

The HPE P45641-B23 Infiniband NDR/Ethernet Adapter is designed for deployment in compatible HPE server environments requiring advanced networking performance. It integrates into enterprise systems where high-speed network communication is necessary for business-critical applications.

The adapter can support a wide range of applications, including high-performance computing clusters, artificial intelligence platforms, cloud infrastructure, virtualization environments, research systems, and large-scale enterprise networks. Its versatile networking capabilities make it suitable for organizations seeking enhanced connectivity performance.

High-Performance Computing Infrastructure

High-performance computing environments require networking hardware capable of supporting massive parallel processing operations. The HPE P45641-B23 adapter provides the high bandwidth and low-latency communication required by HPC systems.

By enabling efficient communication between compute nodes, the adapter helps improve workload execution and supports complex computational tasks that rely on rapid data exchange.

Cloud and Enterprise Data Center Applications

Cloud environments and enterprise data centers require flexible networking solutions capable of supporting diverse workloads. The HPE P45641-B23 adapter delivers advanced connectivity for servers handling virtualization, cloud applications, storage services, and large-scale data processing.

Future-Ready 400Gbps Networking Technology

The HPE P45641-B23 represents the evolution of high-speed networking technology by supporting 400Gbps connectivity through advanced InfiniBand NDR and Ethernet standards. As data center workloads continue to grow, adapters with higher bandwidth capabilities become increasingly important for maintaining efficient operations.

With its PCI Express 5.0 x16 interface, OSFP connectivity, and advanced networking support, the HPE P45641-B23 adapter provides a powerful solution for organizations building next-generation computing environments that require exceptional speed, scalability, and reliability.