P45641-H23 HPE Infiniband Ndr/Ethernet 400GB Adapter

Product Overview of HPE P45641-H23 1 Port Network Adapter

The HPE P45641-H23 is a cutting-edge network adapter designed to enhance connectivity and data transfer efficiency. This device integrates both Infiniband and Ethernet technology, making it an optimal choice for high-performance networking needs.

Main Specifications

• Manufacturer: HPE
• Part Number: P45641-H23
• Product Type: 1 Port Network Adapter

Technical Information

• Interface Type: PCI Express 5.0 x16
• PCI Specification Revision: PCIe 5.0
• Interface Ports: 1 x 400Gb Ethernet / 400Gb Infiniband NDR - OSFP
• Connectivity Technology: Wired
• Supported Data Link Protocols: 400 Gigabit Ethernet, 400 Gigabit Infiniband
• Maximum Data Transfer Rate: 400 Gbps

Connectivity and Performance

High-Speed Data Transfer

• Experience unparalleled data transfer speeds with the dual 400Gb capabilities of this adapter, ensuring seamless integration into your existing network infrastructure.

Versatile Interface Options

• The OSFP port allows for flexible deployment, catering to both Ethernet and Infiniband applications, making it ideal for data centers and enterprise environments.

Interface & Bus Architecture

• Bus Format: PCI Express 5.0 x16
• PCIe Compliance: Fully aligned with PCIe 5.0 specifications
• Connectivity Mode: Wired, high‑reliability signal integrity

Port & Protocol Support

• Interfaces: 1 × 400Gb Ethernet / 400Gb InfiniBand NDR (OSFP)
• Port Configuration: Single OSFP port delivering extreme bandwidth
• Peak Throughput: 400 Gbps sustained data rate

Key Operational Advantages

• Dual‑mode Ethernet and InfiniBand compatibility for broad deployment flexibility
• Massive throughput enabling accelerated performance in bandwidth‑heavy applications
• Space‑efficient form factor suitable for varied rack and chassis designs
• Future‑ready connectivity options supporting scalable infrastructure growth

HPE P45641-H23 Infiniband 400GB 1-Port Adapter

The HPE P45641-H23 Infiniband NDR/Ethernet 400GB 1-Port OSFP PCIe 5.0 x16 Adapter is an advanced high-performance networking solution designed to support next-generation data center environments requiring extreme bandwidth, ultra-low latency communication, and efficient accelerated data processing. This adapter belongs to the category of high-speed network interface adapters engineered for artificial intelligence workloads, high-performance computing clusters, cloud infrastructure, enterprise-scale virtualization platforms, and demanding technical computing environments where fast and reliable connectivity is essential.

Built with support for InfiniBand NDR and Ethernet 400Gb connectivity, this HPE adapter provides exceptional network performance for modern servers and data center systems. It combines advanced interconnect technology with a PCI Express 5.0 x16 host interface to deliver outstanding throughput between the server platform and the network fabric. The adapter is designed to help organizations maximize application performance by reducing communication bottlenecks and enabling efficient movement of massive volumes of data across distributed computing environments.

High-Speed 400Gb Network Connectivity Technology

The HPE P45641-H23 adapter delivers 400Gb networking capabilities through a single-port OSFP interface, providing a powerful connectivity option for environments that require maximum bandwidth density. With 400Gb data transfer support, the adapter is optimized for workloads involving large-scale datasets, parallel processing, scientific simulations, machine learning operations, and real-time analytics applications.

Modern data centers increasingly depend on faster network connections to support growing computational requirements. Traditional networking solutions can become limitations when servers process enormous datasets or communicate continuously with storage systems, GPUs, and other compute nodes. The 400Gb capability of this adapter helps overcome these limitations by providing a high-performance communication pathway capable of handling intensive workloads with reduced congestion.

InfiniBand NDR Performance for Advanced Computing

The InfiniBand NDR technology supported by the HPE P45641-H23 adapter is designed for environments where low latency and high throughput are critical. InfiniBand networking is widely used in supercomputing, artificial intelligence infrastructure, and high-performance computing systems because of its ability to provide efficient node-to-node communication with minimal overhead.

NDR, representing the next generation of InfiniBand performance technology, enables faster communication speeds compared with previous InfiniBand generations. The adapter supports advanced cluster networking requirements by allowing servers, accelerators, and storage resources to communicate efficiently. This makes it suitable for applications where every microsecond of latency reduction can improve overall system performance.

Ethernet 400Gb Connectivity

In addition to InfiniBand capabilities, the HPE P45641-H23 adapter supports Ethernet 400Gb connectivity, providing flexibility for modern data center architectures. Ethernet remains one of the most widely deployed networking technologies, and the ability to support 400Gb Ethernet allows organizations to integrate high-performance servers into existing and future network infrastructures.

The combination of InfiniBand and Ethernet support allows this adapter to address diverse deployment requirements. Whether used in dedicated high-performance computing clusters or advanced enterprise networking environments, the adapter provides the speed and flexibility required for evolving data center designs.

PCI Express 5.0 x16 Host Interface Architecture

The HPE P45641-H23 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 significantly increases available communication bandwidth compared with previous PCI Express generations, allowing the network adapter to efficiently handle demanding 400Gb network traffic.

A PCIe 5.0 x16 interface provides the required data pathway for maximizing adapter performance while minimizing limitations between the server processor, memory subsystem, and networking hardware. This architecture is particularly important in environments where multiple high-performance components operate simultaneously, such as servers equipped with advanced processors, GPU accelerators, and high-speed storage devices.

Optimized Design for Modern Data Centers

The HPE P45641-H23 400Gb adapter is designed for modern data center infrastructures that require scalable performance and efficient resource utilization. As organizations adopt artificial intelligence, machine learning, cloud computing, and advanced analytics platforms, networking components must provide faster communication speeds and improved efficiency.

This adapter helps support these requirements by delivering high-speed connectivity from the server level to the broader network environment. Its single-port OSFP configuration provides a compact high-performance networking solution while maintaining the bandwidth required for demanding applications.

OSFP Interface for Next-Generation Networking

The OSFP interface included with the HPE P45641-H23 adapter represents a modern optical networking form factor designed for high-speed data transmission. OSFP technology supports the bandwidth requirements of 400Gb networking while providing compatibility with advanced optical and cable-based networking solutions.

The OSFP design enables reliable high-speed connections between servers, switches, and other networking equipment. This makes the adapter suitable for large-scale data center deployments where efficient cable management, high port density, and future scalability are important considerations.

High-Density Network Expansion Capability

High-density networking has become a critical requirement in enterprise and hyperscale environments. The HPE P45641-H23 adapter provides a solution for organizations seeking to increase server connectivity without requiring multiple lower-speed adapters. A single 400Gb port can replace several traditional network connections, helping simplify infrastructure design and improve operational efficiency.

The adapter supports high-performance server expansion by providing a powerful connection option for environments that demand maximum network throughput from each system. This approach helps organizations build efficient computing platforms capable of handling increasing data volumes.

Advanced Applications and Workload Support

The HPE P45641-H23 Infiniband NDR/Ethernet 400GB adapter is designed for a wide range of advanced computing applications. Its combination of high bandwidth, low latency communication, and modern interface technology makes it suitable for environments where fast data exchange directly impacts application performance.

High-Performance Computing Cluster Integration

High-performance computing environments depend on fast and reliable interconnects to achieve maximum computational efficiency. Scientific research, engineering simulations, weather modeling, and advanced analytics require networks capable of moving large datasets between processing nodes.

The HPE P45641-H23 adapter provides the connectivity performance required for HPC systems by enabling high-bandwidth communication and reducing network delays. Its InfiniBand NDR support makes it an effective solution for cluster environments where communication speed is a key factor in overall performance.

Cloud and Enterprise Data Center Applications

Enterprise and cloud data centers increasingly require flexible networking solutions that can support growing application demands. Virtualized environments, container platforms, distributed databases, and large-scale services require reliable high-speed connectivity between servers and infrastructure resources.

The HPE 400Gb adapter enables organizations to build powerful networking architectures capable of supporting future workloads. By providing advanced Ethernet connectivity, it allows integration into modern high-speed network environments while maintaining strong performance characteristics.

Network Adapter Efficiency and Scalability Features

The HPE P45641-H23 adapter is engineered to provide scalable networking performance for organizations building advanced computing infrastructures. Its architecture supports high-speed data movement while helping reduce network limitations that can affect application responsiveness and system efficiency.

Enhanced Data Transfer Performance

Large-scale applications require consistent data transfer performance to maintain productivity and efficiency. The 400Gb connection capability of this adapter enables rapid communication between connected systems, reducing transfer times for large files, datasets, and computational workloads.

The adapter's high bandwidth capacity allows servers to handle demanding network operations without becoming constrained by slower communication technologies. This is especially beneficial for applications that depend on continuous data exchange between multiple systems.

Low Latency Communication for Critical Workloads

Latency plays an important role in many advanced computing applications. The HPE P45641-H23 adapter is designed to provide efficient communication pathways that help minimize delays between connected systems. Low-latency networking improves responsiveness for distributed applications and enables faster collaboration between computing resources.

InfiniBand NDR technology is particularly valuable in environments where rapid communication is required. It allows computing nodes to exchange information efficiently, supporting applications that rely on synchronized processing and real-time data operations.

Reliable Enterprise Networking

Enterprise environments require networking hardware that delivers consistent performance, scalability, and reliability. The HPE P45641-H23 adapter is designed as a professional-grade networking component for demanding server environments where dependable connectivity is essential.

By supporting advanced 400Gb networking standards and PCI Express 5.0 technology, this adapter provides a foundation for future-ready data center expansion. Organizations can deploy high-performance networking infrastructure capable of supporting increasing application complexity and data requirements.

Integration with HPE Server Infrastructure

The HPE P45641-H23 adapter is designed for integration within HPE server ecosystems that require advanced networking capabilities. It provides organizations with a reliable method of expanding server connectivity while supporting next-generation network architectures.

Compatibility with PCI Express 5.0 x16 server platforms allows the adapter to take advantage of modern hardware capabilities. This enables efficient communication between server resources and external network environments while supporting the performance expectations of advanced enterprise applications.

Future-Ready 400Gb Networking Infrastructure

As data center requirements continue to evolve, higher-speed networking solutions become increasingly important. The HPE P45641-H23 adapter provides a future-ready platform designed for environments transitioning toward 400Gb connectivity and advanced computing architectures.

Its support for InfiniBand NDR and Ethernet technologies makes it adaptable for multiple networking strategies. Organizations can use this adapter to develop scalable infrastructures capable of supporting emerging workloads, increased data volumes, and advanced computational requirements.

Professional High-Speed Adapter

High-speed network adapters such as the HPE P45641-H23 represent an essential component category for modern enterprise and research computing environments. These adapters provide the connection performance required to link powerful servers with high-speed switching infrastructure, storage platforms, and compute clusters.

With 400Gb bandwidth, OSFP connectivity, PCIe 5.0 x16 architecture, and InfiniBand NDR/Ethernet support, this adapter delivers the technology foundation required for advanced networking applications. It is designed to meet the needs of organizations requiring exceptional speed, efficiency, and scalability from their data center networking infrastructure.