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The HPEP45641-H21 InfiniBand NDR 400Gb Gigabit Ethernet Adapter is a high-performance network interface card designed to deliver ultra-low latency and high throughput for demanding workloads. Supporting both InfiniBand and Ethernet protocols, this adapter is ideal for high-performance computing (HPC), artificial intelligence (AI), and data center applications. Its single-port OSFP PCIe 5.0 x16 interface ensures seamless integration into modern server architectures, providing the bandwidth and reliability required for data-intensive operations.
Engineered for scalability and efficiency, the HPEP45641-H21 adapter leverages NVIDIA's ConnectX-7 technology, offering a programmable data path that simplifies configuration and enhances performance. The adapter's NEAT (Network-Enhanced Application Transport) technology optimizes bandwidth utilization, reducing congestion and improving overall network efficiency. Its low-profile, single-slot form factor ensures compatibility with a wide range of server configurations, while its PCIe 5.0 x16 interface provides the high bandwidth necessary for contemporary networking demands.
The HPEP45641-H21 adapter is built to meet the rigorous demands of modern networking environments. Its dual-protocol support allows for flexible deployment in diverse infrastructures, while its NEAT technology ensures efficient data transfer by minimizing congestion and optimizing bandwidth usage.
400Gb Ethernet and InfiniBand NDR200 support
Single-port OSFP PCIe 5.0 x16 interface
NVIDIA ConnectX-7 smart host channel adapter technology
NEAT (Network-Enhanced Application Transport) for optimized bandwidth utilization
Ultra-low latency for high-performance applications
Low-profile, single-slot form factor for compatibility with various server configurations
The integration of NVIDIA's ConnectX-7 technology provides a programmable data path, enabling customization to meet specific application requirements. Additionally, the adapter's low-profile design and PCIe 5.0 x16 interface ensure seamless integration into contemporary server architectures, offering scalability and future-proofing for evolving infrastructure needs.
400Gb Ethernet and InfiniBand NDR200 support
Single-port OSFP PCIe 5.0 x16 interface
NVIDIA ConnectX-7 smart host channel adapter technology
NEAT (Network-Enhanced Application Transport) for optimized bandwidth utilization
Ultra-low latency for high-performance applications
Low-profile, single-slot form factor for compatibility with various server configurations
| Specification | Details |
|---|---|
| Model Number | P45641-H21 |
| Type | Network Gigabit Ethernet Adapter |
| Data Transfer Rate | 400 Gbps |
| Protocols Supported | Ethernet, InfiniBand NDR200 |
| Form Factor | Low-profile, single-slot |
| Interface | OSFP PCIe 5.0 x16 |
| Adapter Technology | NVIDIA ConnectX-7 |
| NEAT Technology | Yes |
| Latency | Ultra-low |
| Compatibility | HPE Gen10/Gen10 Plus Servers |

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HPE P45641-H21 InfiniBand NDR 400Gb Network Gigabit Ethernet Adapter
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