840134-001 HPE 620QSFP28 Ethernet 4x25GB 1 Port Network Adapters.

HPE 840134-001 100GbE Network Adapter

Enterprise-Class Ethernet Connectivity Solution

Designed for modern data center environments, this HPE network interface adapter delivers ultra-fast 100 Gigabit Ethernet performance through a single QSFP28 port. It is engineered for scalable workloads, virtualization-heavy infrastructures, and high-bandwidth computing systems.

Core Product Highlights

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Part Number / SKU: 840134-001
• Category: High-speed network adapter
• Port Configuration: Single-port 100GbE QSFP28 interface
• Designed for low-profile server deployment

Hardware Design and Architecture

Compact Low-Profile Form Factor

Built as a plug-in expansion card, this adapter features a space-saving low-profile design, making it suitable for dense rack-mounted server systems and enterprise-grade infrastructure setups.

Interface and Bus Technology

• Bus Type: FlexibleLOM architecture
• PCI Express Standard: PCIe 3.0 compatibility
• Single 100Gb Ethernet QSFP28 port integration

Network Performance and Data Handling

Ultra-Fast Data Transmission Capabilities

Optimized for high-throughput networking environments, the adapter ensures reliable and consistent bandwidth delivery for mission-critical applications and cloud-scale workloads.

Performance Metrics

• Data Rate: Up to 100 Gbps per port
• Bidirectional Throughput: Up to 200 Gbps aggregate performance
• Jumbo Frame Support: Up to 9 KB packet size
• Full duplex communication mode

Advanced Networking Features

Virtualization and Traffic Optimization

• SR-IOV (Single Root I/O Virtualization) support
• VXLAN and NVGRE overlay networking compatibility
• Load balancing with LACP (IEEE 802.3ad)
• Receive Side Scaling (RSS) for distributed processing

Offloading and Acceleration Technologies

• TCP/UDP/IP checksum offload capabilities
• Large Send Offload (LSO) and TCP Segmentation Offload (TSO)
• TCP Offload Engine (TOE) integration
• RDMA over Converged Ethernet (RoCE and RoCE v2)

Precision Timing and Enhanced Processing

• Precision Time Protocol (PTP) synchronization
• Extended MSI-X interrupt handling
• Efficient packet processing for low latency environments

Supported Networking Protocols and Standards

Industry Compliance and Compatibility

• IEEE 802.3 and IEEE 802.3x standards
• IEEE 802.3ae for 10/100GbE operations
• IEEE 802.1Q VLAN tagging support
• IEEE 802.1AX link aggregation
• Advanced QoS and traffic control standards support

Processor and Memory Configuration

Embedded Intelligent Processing

Powered by QLogic-based processing architecture, this adapter enhances packet handling efficiency and reduces CPU overhead in high-demand networking environments.

Memory Resources

• Onboard Memory: 256 MB integrated RAM

Connectivity and Deployment Flexibility

Single-Port High-Speed Interface

• 1 × 100GbE QSFP28 Ethernet connection
• Designed for scalable enterprise and cloud deployments
• Ideal for virtualization clusters and storage networks

Operational Indicators and Management

• LED status indicators for link and activity monitoring
• SNMP-based remote management support
• PXE boot capability for network deployment

HPE 840134-001 1 Port 620QSFP28 Network Adapter 

High-Performance 25GbE Networking Architecture for Modern Data Centers

Next-Generation Connectivity for Enterprise Workloads

The HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter is designed for high-density enterprise networking environments that demand ultra-low latency, maximum throughput, and scalable bandwidth provisioning. Built for next-generation data centers, cloud infrastructure, virtualization clusters, and high-performance computing (HPC) deployments, this adapter provides a robust foundation for accelerating data transfer rates across modern IT ecosystems. The architecture is optimized to handle intensive workloads where traditional Gigabit Ethernet solutions are no longer sufficient, ensuring seamless performance for mission-critical applications.

This network adapter leverages QSFP28 connectivity to deliver aggregated 100GbE-class performance through breakout configurations supporting multiple 25GbE lanes. Such design enables flexible deployment strategies where administrators can dynamically allocate bandwidth depending on workload requirements, ensuring cost efficiency and infrastructure optimization across complex enterprise environments.

Enterprise-Grade Engineering and Reliability

Designed for Mission-Critical Data Center Environments

The engineering philosophy behind the HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter revolves around stability, scalability, and resilience. In enterprise environments where downtime is not acceptable, this adapter ensures continuous connectivity with advanced error correction mechanisms, intelligent traffic management, and optimized packet processing capabilities. It is built to operate efficiently in dense server racks where thermal control, signal integrity, and high-speed data transmission must remain consistent under heavy workloads.

By supporting high-throughput virtualized networking environments, the adapter enhances server consolidation strategies and improves resource utilization across distributed computing clusters. This makes it particularly suitable for organizations deploying hyper-converged infrastructure, private cloud platforms, and software-defined networking frameworks.

Advanced QSFP28 Interface and 25GbE Performance Capabilities

Scalable Bandwidth for Modern Cloud Architectures

Flexible 4x25GB Lane Distribution

One of the key strengths of the HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter is its ability to support multiple high-speed lanes through a single QSFP28 interface. The 4x25GB configuration enables a total aggregated throughput designed for high-demand data environments, ensuring smooth handling of large-scale data transfers, real-time analytics, and virtualization workloads.

This scalable design allows data center architects to deploy flexible networking topologies where bandwidth can be distributed intelligently across workloads. Whether used in storage networking, east-west traffic optimization, or high-speed interconnects between compute nodes, the adapter ensures consistent performance under heavy load conditions.

Low Latency and High Throughput Optimization

Latency reduction is a critical requirement in modern enterprise networking. The HPE 620QSFP28-based architecture minimizes packet processing delays through hardware acceleration features and optimized data path handling. This ensures that applications requiring real-time responsiveness, such as financial trading systems, AI model training clusters, and large-scale database synchronization, operate with minimal communication overhead.

High throughput capabilities allow simultaneous data streams to operate efficiently without congestion, improving overall network efficiency. This makes the adapter suitable for environments where bandwidth contention is a constant challenge.

Data Center Integration and Virtualization Support

Optimized for Virtualized Infrastructure Environments

Seamless Integration with Hypervisors and Cloud Platforms

The HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter is engineered for compatibility with leading virtualization platforms and hypervisors, enabling efficient network abstraction and resource allocation. In virtualized environments, where multiple workloads share the same physical infrastructure, the adapter ensures fair and optimized distribution of network resources.

It supports advanced virtualization offload features that reduce CPU overhead and improve server efficiency. By offloading network processing tasks from the main CPU, the adapter contributes to higher VM density and improved workload consolidation.

Software-Defined Networking Compatibility

Modern data centers rely heavily on software-defined networking architectures to manage complex network configurations dynamically. This adapter supports such environments by enabling programmable network behavior and seamless integration with SDN controllers. This allows administrators to automate traffic routing, enforce security policies, and optimize bandwidth allocation in real time.

The result is a more agile and responsive network infrastructure capable of adapting to changing workload demands without manual intervention.

Performance Optimization for High-Density Computing

Supporting HPC, AI, and Big Data Workloads

Enhanced Data Throughput for Intensive Applications

High-performance computing environments require network adapters capable of sustaining extreme data throughput levels. The HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter is designed specifically to support workloads such as artificial intelligence training, machine learning model deployment, and large-scale scientific simulations.

Its architecture ensures that large datasets can be transferred quickly between compute nodes, reducing bottlenecks and improving computational efficiency. This is particularly important in distributed computing environments where synchronization speed directly impacts overall system performance.

Optimized for Storage-Intensive Operations

In addition to compute workloads, this adapter excels in storage-intensive environments such as SAN and NAS deployments. The high bandwidth capacity enables rapid access to distributed storage systems, improving data retrieval times and supporting high transaction rates. This is essential for enterprise applications such as database clusters, virtualization storage backends, and backup and disaster recovery systems.

Hardware Design and Physical Architecture

Compact, Efficient, and Enterprise-Ready Form Factor

Optimized PCB Layout for Signal Integrity

The internal design of the HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter focuses heavily on signal integrity and thermal efficiency. The printed circuit board layout is optimized to reduce electromagnetic interference while maintaining stable high-speed data transmission across all lanes.

This ensures that even in densely packed server environments, the adapter continues to perform reliably without degradation in signal quality. The design also supports extended operational lifespans under continuous workloads.

Thermal Efficiency and Power Management

Efficient power usage is a key requirement in modern data centers where energy costs and thermal output must be carefully managed. This adapter incorporates advanced power management features that dynamically adjust energy consumption based on workload intensity. This reduces unnecessary power draw while maintaining peak performance when required.

The thermal design ensures effective heat dissipation, enabling stable operation in high-density server configurations where airflow may be constrained.

Network Security and Data Integrity Features

Secure Data Transmission Across Enterprise Networks

Hardware-Assisted Security Enhancements

Security is a critical component of any enterprise networking solution. The HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter incorporates hardware-level security features designed to protect data in transit. These features reduce the risk of packet interception and ensure secure communication across internal and external networks.

By leveraging hardware acceleration for encryption and secure packet processing, the adapter minimizes performance overhead while maintaining strong security protocols.

Reliable Packet Delivery and Error Correction

To ensure data integrity, the adapter includes advanced error detection and correction mechanisms that identify and resolve transmission issues in real time. This guarantees that critical data is delivered accurately, even in high-traffic network conditions.

Scalability and Future-Proof Networking Architecture

Supporting Evolving Enterprise Requirements

Designed for Next-Generation Network Expansion

As enterprises continue to scale their digital infrastructure, the need for adaptable and future-proof networking solutions becomes increasingly important. The HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter is built to support long-term scalability, ensuring compatibility with evolving network standards and increasing bandwidth demands.

Its modular design allows organizations to integrate it into existing infrastructure while preparing for future upgrades without requiring complete system overhauls.

Adaptability for Emerging Technologies

This adapter is also well-suited for emerging technologies such as edge computing, AI-driven analytics platforms, and distributed cloud environments. Its high bandwidth and low latency capabilities ensure that it can support future workloads that require increasingly complex data processing and transfer capabilities.

Operational Efficiency and Infrastructure Optimization

Maximizing Return on Enterprise Network Investments

Improved Resource Utilization

By enabling high-density connectivity and reducing bottlenecks, the HPE 840134-001 Ethernet 4x25GB 1 Port 620QSFP28 Network Adapter helps organizations maximize the utilization of their existing infrastructure. This leads to improved return on investment and reduced operational costs.

Streamlined Network Management

The adapter simplifies network management by supporting centralized control mechanisms and automated configuration capabilities. This reduces administrative overhead and allows IT teams to focus on strategic initiatives rather than routine maintenance tasks.