868779-B21 HPE 2 Port Synergy 6410C 25/50GB Ethernet Network Adapters

Overview of HPE 868779-B21 2-Port Synergy Ethernet Adapter

The HPE 868779-B21 Synergy 6410C Network Adapter is a dual-port mezzanine card engineered for HPE Synergy compute modules. It delivers flexible 25Gb or 50Gb Ethernet connectivity, advanced virtualization support, and secure firmware protection, making it ideal for cloud, enterprise, and high-performance workloads.

General Information

• Manufacturer: HPE
• Part Number: 868779-B21
• Product Type: Ethernet Network Adapter

Core Technical Specifications

• Data Rate: 25Gbps or 50Gbps per port
• Number of Ports: 2
• Form Factor: Mezzanine Type-C
• Aggregate Throughput: Up to 200Gbps bidirectional bandwidth

RDMA Support

• Remote Direct Memory Access over Converged Ethernet (RoCE v1/v2)
• Low-latency data transfer for improved server efficiency

Virtualization Enhancements

SR-IOV

• Single Root I/O Virtualization for optimized VM performance

VMware NetQueue & Microsoft VMQ

• Improves VM density and workload scalability

Tunnel Offloads

• Optimized for VXLAN, NVGRE, and GENEVE
• Reduces CPU overhead in cloud environments

Acceleration Tools

• Integrated with DPDK (Data Plane Development Kit)
• High-performance packet processing for demanding workloads

Jumbo Frames

• Supports large frame sizes up to 9KB
• Enhances data transfer efficiency

Secure Firmware

• Digitally signed firmware with Hardware Root of Trust
• Ensures updates are from trusted sources

HPE 868779-B21 2 Port Synergy Ethernet Network Adapter 

The HPE 868779-B21 2 Port Synergy 6410C 25/50Gb Ethernet Network Adapter represents a high-performance, next-generation networking solution engineered for modern enterprise data centers that demand ultra-low latency, high throughput, and scalable connectivity. This category of advanced Ethernet adapters is specifically designed for integration within HPE Synergy composable infrastructure environments, enabling flexible workload optimization and efficient network resource allocation. As enterprises continue to evolve toward hybrid cloud architectures, virtualization-heavy workloads, and software-defined networking models, adapters such as the Synergy 6410C 25/50Gb Ethernet solution become a foundational component in achieving operational agility and performance consistency.

This category of network adapter is built to support bandwidth-intensive applications, including large-scale virtualization clusters, high-performance computing environments, enterprise storage networks, and cloud-native application platforms. The dual-port architecture enhances redundancy and throughput capabilities, allowing seamless traffic distribution and improved resilience in mission-critical environments. With increasing demands for data-driven decision-making, real-time analytics, and containerized microservices, this adapter category addresses the need for scalable and adaptive network connectivity solutions.

Architecture and Design Principles of Synergy 6410C Ethernet Adapter

The architecture of the HPE Synergy 6410C 25/50Gb Ethernet Network Adapter is centered on delivering high-speed packet processing, reduced latency, and optimized CPU offloading. The adapter leverages advanced ASIC-based processing capabilities that minimize host CPU utilization while accelerating network traffic handling. This design principle is essential in modern data centers where compute resources must be dedicated primarily to application workloads rather than networking overhead.

The dual-port configuration ensures parallel data processing paths, which enhances throughput efficiency and provides fault tolerance. Each port is capable of handling high-bandwidth 25GbE or 50GbE connections, making it suitable for environments transitioning from legacy 10GbE infrastructures to more advanced high-speed networking standards. The architecture is also optimized for compatibility with HPE Synergy frames, ensuring seamless integration into composable infrastructure ecosystems.

High-Speed Packet Processing Engine

At the core of the adapter lies a high-speed packet processing engine designed to manage large volumes of network traffic with minimal latency. This engine enables efficient handling of TCP/IP workloads, virtualization overlays, and storage traffic simultaneously. The processing engine reduces bottlenecks commonly associated with traditional NIC architectures by offloading compute-intensive tasks such as checksum calculations, segmentation, and encapsulation.

Advanced Offload Capabilities

The adapter category supports advanced offload features that enhance system efficiency. These capabilities include virtualization offloading, overlay network acceleration, and intelligent packet steering. By shifting processing tasks away from the host CPU, the adapter enables improved system responsiveness and higher virtual machine density per server node. This is particularly beneficial in environments utilizing hypervisors such as VMware, Hyper-V, or KVM-based platforms.

Performance Optimization for Enterprise Workloads

The HPE Synergy 6410C 25/50Gb Ethernet Network Adapter category is designed to support demanding enterprise workloads that require consistent and predictable performance. Applications such as database clustering, real-time analytics engines, and distributed storage systems rely heavily on low-latency network communication. The adapter ensures that packet transmission remains efficient even under heavy load conditions.

One of the defining characteristics of this category is its ability to dynamically scale performance based on workload requirements. This adaptability is crucial in modern IT environments where workloads fluctuate continuously. The adapter's intelligent traffic management system prioritizes critical application traffic while maintaining balanced throughput across all network channels.

Support for High-Density Virtualization

Virtualization environments benefit significantly from the capabilities of the Synergy 6410C adapter category. With support for multiple virtual NICs and hardware-assisted virtualization features, the adapter enhances VM mobility and reduces latency during live migration processes. Data centers operating large-scale virtual machine farms can achieve improved consolidation ratios without compromising network performance.

Low Latency Communication for Critical Applications

Low latency is a fundamental requirement for industries such as financial services, telecommunications, and scientific computing. The adapter category is optimized to minimize packet traversal time, ensuring rapid communication between compute nodes. This reduction in latency directly contributes to improved application responsiveness and transaction processing efficiency.

Scalability and Future-Ready Networking

Scalability is a core design principle behind the HPE Synergy 6410C 25/50Gb Ethernet Network Adapter category. As organizations expand their digital infrastructure, the need for scalable network solutions becomes increasingly important. This adapter supports incremental scaling from 25GbE to 50GbE, enabling organizations to upgrade their network capacity without requiring complete infrastructure overhauls.

The scalable nature of this adapter category ensures compatibility with evolving data center architectures, including composable infrastructure models and hybrid cloud environments. Organizations can deploy the adapter in existing Synergy frames while maintaining compatibility with future networking technologies, ensuring long-term investment protection.

Composable Infrastructure Integration

Within HPE Synergy environments, the adapter plays a critical role in enabling composable infrastructure functionality. It allows compute, storage, and networking resources to be dynamically composed based on application requirements. This level of flexibility ensures optimal resource utilization and reduces infrastructure sprawl.

Elastic Bandwidth Allocation

The adapter supports elastic bandwidth allocation, allowing network resources to be dynamically adjusted based on workload demands. This feature is particularly valuable in cloud-native environments where traffic patterns are unpredictable. By adjusting bandwidth allocation in real time, the adapter ensures consistent application performance.

Support for Software-Defined Networking Environments

Software-defined networking is a key component of modern data center design, and this adapter category is optimized for SDN compatibility. It enables programmable network configurations, allowing administrators to define network policies dynamically. This capability enhances operational efficiency and reduces manual configuration overhead.

Interoperability with Enterprise Operating Systems

The adapter supports a wide range of enterprise operating systems, ensuring interoperability across diverse IT environments. Whether deployed in Linux-based servers, Windows Server environments, or virtualization platforms, the adapter maintains consistent performance and reliability.

Security Features and Data Protection Capabilities

Security is a critical consideration in enterprise networking, and the HPE Synergy 6410C 25/50Gb Ethernet Network Adapter category incorporates multiple layers of security functionality. These features are designed to protect data in transit, ensure secure communication channels, and prevent unauthorized access to network resources.

The adapter supports encryption offloading, which ensures that secure communications do not impose additional load on host CPUs. This enhances both performance and security simultaneously, allowing organizations to maintain compliance with industry standards while optimizing resource utilization.

Hardware-Assisted Security Acceleration

Hardware-assisted security acceleration enables the adapter to process encrypted traffic efficiently. This reduces latency associated with secure communications and ensures that encryption protocols do not degrade network performance. It is particularly beneficial in environments where secure data transmission is mandatory.

Network Isolation and Segmentation

The adapter supports advanced network segmentation techniques, allowing organizations to isolate workloads and enforce strict access controls. This capability enhances security posture by reducing the risk of lateral movement within the network infrastructure.

Centralized Network Management Integration

The adapter integrates with centralized management platforms, allowing administrators to manage multiple network interfaces from a unified console. This simplifies administrative workflows and reduces the complexity associated with large-scale deployments.

Predictive Diagnostics and Telemetry

Predictive diagnostics capabilities enable early detection of potential hardware or performance issues. By analyzing telemetry data, the system can identify anomalies and provide actionable insights for preventive maintenance.

Enterprise Use Cases and Deployment Scenarios

The HPE Synergy 6410C 25/50Gb Ethernet Network Adapter category is suitable for a wide range of enterprise deployment scenarios. It is commonly used in high-density virtualization clusters, private cloud infrastructures, enterprise storage networks, and analytics-driven computing environments.

Organizations deploying hybrid cloud strategies benefit from the adapter's ability to seamlessly connect on-premises infrastructure with cloud-based resources. This ensures consistent performance across distributed environments and enables efficient workload mobility.

High-Performance Computing Environments

In high-performance computing environments, the adapter provides the necessary bandwidth and low-latency communication required for complex computational tasks. Scientific simulations, engineering modeling, and large-scale data processing workloads benefit significantly from its capabilities.

Cloud-Native Application Infrastructure

Cloud-native applications rely heavily on microservices architectures and containerized workloads. The adapter supports rapid inter-service communication and ensures that container orchestration platforms operate efficiently under high network demand conditions.

Operational Efficiency and Infrastructure Optimization

Operational efficiency is a key advantage of deploying the HPE Synergy 6410C 25/50Gb Ethernet Network Adapter category. By reducing CPU overhead and optimizing network traffic flow, the adapter enables organizations to maximize the utilization of their compute infrastructure.

This efficiency translates into lower operational costs, improved energy utilization, and enhanced workload consolidation capabilities. Data centers can achieve higher performance per rack unit while maintaining consistent service quality.

Energy-Efficient Networking Performance

The adapter is designed with energy efficiency in mind, minimizing power consumption while maintaining high performance levels. This is particularly important in large-scale data centers where energy efficiency directly impacts operational costs.

Workload Consolidation Benefits

By supporting higher bandwidth and virtualization efficiency, the adapter enables greater workload consolidation. This reduces hardware footprint requirements and simplifies infrastructure management.