VNF8M Dell E810XXVDA2 25 Gigabit Dual-Port PCI-E Ethernet Network Adapters

Dell VNF8M 25GbE Dual-Port PCIe Network Adapter Overview

High-Performance Enterprise Networking Solution

The Dell VNF8M Intel E810XXVDA2 is a next-generation dual-port 25 Gigabit Ethernet network interface card designed for high-speed data centers, cloud infrastructure, and enterprise virtualization environments. Built for reliability and scalability, this adapter delivers ultra-low latency and advanced offload capabilities for demanding workloads.

Key Product Identification

• Manufacturer: Dell
• Part Number / SKU: VNF8M
• Device Type: High-speed Network Adapter
• Port Configuration: Dual-Port (2 Ports)

Advanced Technical Specifications

Hardware Design and Form Factor

Compact Low-Profile Plug-in Card

• Form Factor: Low-profile PCIe plug-in adapter
• Slot Type: Expansion card for server integration
• Build: Optimized for dense rack server environments

PCI Express Interface Details

High-Speed Bus Architecture

• Interface Type: PCI Express 4.0 x8
• Backward Compatibility: PCIe 3.0 supported
• Architecture: Designed for high throughput and reduced latency

Network Port and Connectivity Features

Dual 25Gb SFP28 Interfaces

• Ports: 2 × 25 Gigabit SFP28
• Supported Speeds: 10GbE, 25GbE, and Gigabit Ethernet
• Transmission Type: Fully wired high-speed connectivity

Supported Protocols and Networking Standards

Multi-Protocol Support for Enterprise Use

Transport and Storage Protocol Compatibility

• iSCSI for storage networking
• iWARP for RDMA over TCP/IP
• NFS support for distributed file systems

Data Link and Network Layer Protocols

• Gigabit Ethernet (GbE)
• 10 Gigabit Ethernet (10GbE)
• 25 Gigabit Ethernet (25GbE)

Performance Enhancing Technologies

Advanced Acceleration and Offload Capabilities

Enterprise-Grade Optimization Features

• RDMA (Remote Direct Memory Access) support
• RoCE v2 (RDMA over Converged Ethernet)
• Virtual Machine Device Queues (VMDq)
• Single Root I/O Virtualization (SR-IOV)
• Data Direct I/O (DDIO) technology

Smart Traffic and Performance Management

• Flexible Port Partitioning (FPP)
• Intelligent hardware offloading
• On-chip Quality of Service (QoS)
• Advanced traffic shaping and prioritization

Use Cases and Deployment Scenarios

Ideal Applications for Enterprise Infrastructure

Optimized for High-Demand Environments

• Cloud computing and virtualization platforms
• High-performance data centers
• Storage area networks (SAN)
• Big data processing systems
• AI and machine learning workloads

Benefits for IT Infrastructure

• Improved network throughput and efficiency
• Reduced CPU utilization through hardware offloading
• Enhanced virtualization performance
• Low latency data transmission

Dell VNF8M Dual-Port PCI-E Ethernet Network Adapter

The Dell VNF8M Intel E810XXVDA2 25 Gigabit Dual-Port PCI-E Ethernet Network Adapter is a high-performance networking solution engineered for modern enterprise infrastructures, cloud computing environments, and high-throughput data centers. Built on advanced Intel Ethernet technology, this adapter delivers exceptional bandwidth scalability, ultra-low latency, and robust reliability for mission-critical workloads. As organizations continue to evolve toward virtualization, software-defined networking, and hyperscale architectures, the demand for high-speed connectivity solutions such as this dual-port 25GbE PCIe adapter has increased significantly.

Designed to meet the needs of bandwidth-intensive applications, this network interface card (NIC) integrates seamlessly into Dell server ecosystems while maintaining compatibility with broader enterprise server platforms. Its dual-port configuration ensures redundancy, load balancing, and optimized traffic distribution, making it ideal for environments requiring continuous uptime and fault tolerance.

High-Speed 25 Gigabit Ethernet Architecture

Next-Generation Bandwidth Capabilities

The 25 Gigabit Ethernet standard represents a major leap forward from traditional 10GbE networking, providing a 2.5x increase in throughput while maintaining cost efficiency and power optimization. The Intel E810XXVDA2 controller used in the Dell VNF8M adapter is designed to support this high-speed transmission standard, ensuring seamless handling of data-heavy workloads such as virtualization clusters, high-frequency trading systems, AI training pipelines, and large-scale database operations.

Dual-Port Redundancy and Load Balancing

The dual-port design allows administrators to configure the adapter for redundancy or aggregation. In redundancy mode, one port acts as a backup to ensure continuous connectivity in the event of a link failure. In load-balancing mode, traffic is distributed across both ports, improving throughput and reducing congestion. This design is particularly valuable in enterprise environments where uptime and performance consistency are critical.

Optimized Packet Processing

Advanced packet processing capabilities within the Intel E810 architecture help reduce CPU overhead by offloading tasks such as checksum calculation, segmentation, and interrupt moderation. This ensures that server CPU resources remain available for application processing rather than network handling, improving overall system efficiency.

PCI Express Interface and System Integration

PCIe Gen4 Compatibility

The Dell VNF8M adapter utilizes a PCI Express interface designed for high-throughput communication between the network controller and the host system. PCIe Gen4 support significantly increases data transfer rates compared to previous generations, allowing the adapter to fully leverage 25Gbps bandwidth per port without bottlenecks.

Low Latency Interconnect Design

The PCIe architecture ensures minimal latency between the NIC and system memory, which is essential for applications requiring real-time data processing. Financial trading systems, telecom infrastructures, and AI-driven analytics platforms benefit greatly from this low-latency design.

Efficient Lane Utilization

By utilizing multiple PCIe lanes effectively, the adapter ensures that both ports operate at full capacity without contention. This efficient lane utilization is critical for maintaining consistent throughput under heavy network loads.

Enterprise-Grade Performance Features

Hardware Offloading Capabilities

The Intel E810 controller integrates advanced hardware offloading features, including TCP segmentation offload (TSO), large receive offload (LRO), and stateless offloads. These capabilities reduce CPU utilization and improve packet processing efficiency, making the adapter suitable for high-density virtualized environments.

SR-IOV and Virtualization Support

Single Root I/O Virtualization (SR-IOV) allows the network adapter to present multiple virtual functions to hypervisors, enabling direct assignment of network resources to virtual machines. This reduces virtualization overhead and improves network performance in cloud environments and multi-tenant data centers.

VMware, Hyper-V, and KVM Compatibility

The adapter is widely compatible with leading virtualization platforms, including VMware ESXi, Microsoft Hyper-V, and Linux-based KVM environments. This ensures seamless integration into existing virtual infrastructures without requiring major architectural changes.

Data Center Optimization and Cloud Infrastructure

Scalability for Modern Data Centers

Modern data centers require scalable networking solutions capable of handling exponential data growth. The Dell VNF8M Intel E810XXVDA2 adapter is designed to support scalable architectures, enabling seamless expansion without compromising performance. Its 25GbE capability provides a balanced upgrade path between 10GbE and 40/100GbE infrastructures.

Cloud-Native Workload Support

Cloud-native applications often rely on microservices architecture, containerization, and distributed computing. This adapter ensures stable and high-speed communication between nodes, supporting Kubernetes clusters, Docker environments, and hybrid cloud deployments.

Microservices Traffic Handling

Efficient handling of east-west traffic in microservices architectures is essential for application responsiveness. The adapter ensures low-latency packet routing between distributed services, improving overall application performance and reliability.

Security and Network Reliability Features

Advanced Security Offloads

Security is a critical component of enterprise networking. The Intel E810 platform includes hardware-based encryption and decryption support, reducing the burden on system CPUs while maintaining secure data transmission across networks.

Data Integrity and Error Handling

Built-in error correction and packet validation mechanisms ensure that data integrity is maintained across high-speed transmissions. This reduces packet loss and ensures reliable communication even under heavy network congestion.

Secure Boot and Firmware Protection

Firmware-level security features help protect the adapter from unauthorized modifications and malicious firmware injections, ensuring a secure networking environment from hardware to software layers.