843430-001 HPE 1Dual Port 100GB PCI-E Network Adapter

Overview of HPE 843430-001 2-Port 100Gb InfiniBand Adapter 

The HPE 843430-001 840z Dual Port 100Gb InfiniBand Adapter is a high-performance networking solution engineered for enterprise-grade data centers, HPC (High Performance Computing) environments, and cloud infrastructure deployments. Designed to deliver ultra-low latency and extremely high throughput, this advanced mezzanine network adapter enhances server connectivity and accelerates data-intensive workloads.

General Information

• Manufacturer: HPE
• Part Number: 843430-001
• Product Type: Network Adapter

Technical Specifications

• Interface Type: PCI Express 3.0 x16 Mezzanine
• PCI Specification: PCIE 3.0 compliant
• Form Factor: Mezzanine card for HPE servers
• Ports: Dual InfiniBand EDR ports (x2)
• Data Link Protocol: InfiniBand
• Connectivity Technology: Fully wired high-speed interconnect
• Data Transfer Rate: Up to 100 Gbps

Processor Specifications

• Processor: Mellanox ConnectX-4 (1x integrated unit)
• Optimized for high-throughput and low-latency workloads
• Supports advanced offloading capabilities for CPU efficiency

Compliance Details

• IBTA 1.3 compliant InfiniBand architecture
• PCI Express 3.0 specification adherence
• Enterprise-grade networking protocol support

The HPE 843430-001 Dual Port 100Gb PCI-Express Adapter

The HPE 843430-001 840z Dual Port 100Gb PCI-Express Network Adapter is a high-performance enterprise networking solution designed for modern data centers that demand extreme bandwidth, ultra-low latency, and scalable connectivity. Developed within the advanced server networking ecosystem of Hewlett Packard Enterprise, this adapter is engineered to support mission-critical workloads that require consistent high-speed data transmission across distributed computing environments. It is widely deployed in high-performance computing (HPC), cloud infrastructure, virtualization platforms, and large-scale enterprise storage networks where traditional networking solutions are no longer sufficient.

High-Performance InfiniBand Architecture and EDR Technology

Enhanced Data Rate (EDR) InfiniBand is a next-generation networking standard that provides up to 100 gigabits per second per port. Unlike conventional Ethernet-based networking, InfiniBand is purpose-built for HPC workloads, offering extremely low latency, hardware-based transport offloading, and remote direct memory access (RDMA) capabilities. The 843430-001 adapter leverages these features to ensure near-zero CPU overhead during data transmission, allowing compute resources to remain fully dedicated to application workloads rather than network processing.

Dual-Port 100Gb Connectivity Advantage

The dual-port design of the 840Z Mezzanine FIO Adapter allows simultaneous communication across two independent InfiniBand links. This enables advanced network topologies such as fat-tree, hypercube, or dragonfly configurations, which are commonly deployed in supercomputing environments. Each port can be configured for redundancy or load balancing depending on cluster design requirements. By distributing data traffic across two 100Gb links, the adapter reduces congestion hotspots and ensures stable performance during peak computational workloads such as molecular modeling, weather forecasting, and deep neural network training.

PCI-Express Adapter

At the core of the adapter lies a high-bandwidth PCI-Express interface that ensures rapid communication between the network card and the host system. The PCIE architecture is designed to minimize latency while maximizing data transfer efficiency, enabling the adapter to fully leverage 100Gbps network speeds. This direct connection to the motherboard ensures that data packets are transmitted with minimal overhead, which is essential for latency-sensitive applications such as real-time analytics, financial trading systems, and scientific simulations.

Integration with Software-Defined Networking

Software-defined networking (SDN) environments benefit significantly from the flexibility and programmability of this adapter. It supports advanced network virtualization techniques that allow administrators to define, manage, and optimize network behavior through software controllers. This enhances agility and simplifies network management in large-scale distributed systems.

High-Speed Storage Connectivity

Modern storage systems such as distributed file systems and network-attached storage solutions depend heavily on high-bandwidth network interfaces. The HPE 840z adapter enables fast access to storage arrays, reducing latency in data retrieval and improving overall system responsiveness.

Energy-Efficient Performance Design

Despite its high-performance capabilities, the HPE 843430-001 adapter is engineered with energy efficiency in mind. It optimizes power consumption based on workload demand, reducing unnecessary energy usage during low-traffic periods. This contributes to lower operational costs in large-scale data centers.

HPE Server Ecosystem Integration

As part of the Hewlett Packard Enterprise networking ecosystem, the adapter is fully compatible with a wide range of HPE ProLiant servers and enterprise computing platforms. This ensures seamless installation and configuration without requiring complex modifications to existing infrastructure.

Mellanox ConnectX-4 Processor Integration

At the core of the adapter lies a powerful Mellanox ConnectX-4 processor, which plays a critical role in managing network traffic, reducing CPU overhead, and optimizing packet processing efficiency.