WDMVH Network Adapter Dual Port Qlogic 25GB SFP+ Pci-e 3.0 X8 Intelligent Ethernet Two Small Form Factor Pluggable Plus Transceiver Slots

Dell WDMVH Network Adapter Overview

The Dell WDMVH Network Adapter is a dual port intelligent Ethernet solution engineered for high-performance server connectivity. Featuring QLogic technology and dual 25GB SFP+ ports, this PCI-E 3.0 x8 card is tailored for demanding enterprise environments that require low latency, high throughput, and advanced networking features. With two Small Form-Factor Pluggable Plus (SFP+) transceiver slots, the WDMVH adapter is ideal for data centers, cloud deployments, and virtualization infrastructures seeking to optimize bandwidth utilization and reduce network bottlenecks.

High-Speed 25 Gigabit Ethernet Performance

The 25GbE capabilities of the Dell WDMVH Network Adapter allow data centers to meet modern workloads that surpass the limitations of 10GbE. The increased throughput provides substantial improvements in virtualization, big data analytics, and cloud-based applications. When compared to 10GbE adapters, 25GbE offers significantly enhanced I/O per second, enabling applications to process and transfer large data sets with greater efficiency.

Benefits of Upgrading to 25GbE

25GbE technology delivers a cost-efficient solution with a single-lane connection while maintaining backward compatibility with 10GbE infrastructure. Key advantages include:

• Reduced latency and packet loss for high-performance computing (HPC) applications.
• Improved network utilization and bandwidth efficiency.
• Lower power consumption per Gb compared to multiple 10GbE connections.
• Greater density with fewer adapters and cables required for equivalent throughput.

PCIe 3.0 x8 Interface Capabilities

The Dell WDMVH features a PCI Express 3.0 x8 interface, delivering robust data transmission speeds that are essential for mission-critical applications. This interface ensures that the network card operates at its full 25GbE potential, supporting bi-directional speeds that minimize latency during peak data transfers.

Enhanced Data Throughput

By utilizing the PCIe 3.0 x8 lane architecture, the Dell WDMVH provides a direct high-speed communication path between the server’s CPU and the network interface. This improves responsiveness and throughput in virtualized server environments and I/O-intensive workloads such as database access, software-defined storage (SDS), and cloud-native applications.

Compatibility with Modern Server Architectures

This adapter is compatible with a broad array of Dell PowerEdge servers and motherboards that support PCIe 3.0, including rack, tower, and blade systems. The design supports integration into high-density computing environments, where performance per watt and space are paramount concerns.

Dual SFP+ Transceiver Slots

The WDMVH features two SFP+ slots that offer flexible deployment options for various fiber and copper transceivers. These hot-swappable modules support 25Gbps Ethernet connectivity over both short-reach (SR) and long-reach (LR) fiber optics, providing adaptability for different data center topologies.

Transceiver Compatibility

The SFP+ ports are compatible with a wide range of Dell-approved and third-party transceivers. These include:

• 25GBASE-SR SFP28 optical modules for short-range fiber connections.
• 25GBASE-LR SFP28 modules for longer-reach connections across data center floors or between buildings.
• Direct Attach Copper (DAC) cables for short-distance, cost-effective server-to-switch links.

Benefits of SFP+ Modular Design

Utilizing modular SFP+ slots offers multiple operational benefits, including:

• Hot-swappable capability, reducing downtime during upgrades or maintenance.
• Enhanced compatibility with future networking standards.
• Support for flexible cabling distances and physical mediums.

Network Scalability

Data centers benefit from the flexibility of SFP+ transceivers when planning for future growth. With the ability to mix and match fiber types and DAC cables, IT managers can customize network layouts based on latency, cost, and reach requirements.

Advanced Networking Intelligence and Offload Features

Designed with intelligent networking in mind, the Dell WDMVH adapter includes several offloading features and programmable capabilities that enhance performance and reduce CPU workload. This allows data to be processed more efficiently, freeing server resources for core applications.

Hardware Offloading Technologies

Offloading features improve the efficiency of network traffic handling by leveraging the onboard processor to manage tasks that would otherwise burden the CPU. Key offloading capabilities include:

• TCP Segmentation Offload (TSO)
• Large Receive Offload (LRO)
• Receive Side Scaling (RSS)
• Header Data Split (HDS)

Enhanced Virtualization Support

The adapter supports Single Root I/O Virtualization (SR-IOV), enabling direct assignment of network resources to virtual machines. This boosts I/O performance for virtualized environments by reducing overhead and increasing throughput per VM.

Network Traffic Optimization

By efficiently distributing network traffic across multiple queues and cores, the WDMVH ensures balanced load processing, reduced jitter, and consistent low-latency communication.

Enterprise-Grade Reliability and Resiliency

The Dell WDMVH network card is built with enterprise-grade durability and consistent performance in mind. It meets rigorous Dell standards for hardware quality, compatibility, and long-term reliability in demanding IT infrastructures.

Error Detection and Recovery Features

Equipped with advanced diagnostics and monitoring capabilities, the adapter includes error correction code (ECC) memory, diagnostic LEDs, and status reporting for proactive maintenance and troubleshooting.

Redundancy and Failover Compatibility

Supports teaming and bonding for failover and load balancing in high-availability network designs. This ensures uninterrupted data transfer and redundancy during hardware or connection failures.

Lifecycle and Support Benefits

The WDMVH adapter benefits from Dell’s global enterprise support ecosystem, including extended warranties, on-site service, and firmware updates that ensure ongoing compatibility and security improvements.

Typical Use Cases for the Dell WDMVH Adapter

This dual-port 25GbE adapter is engineered for a broad array of enterprise applications where low-latency and high-speed networking is essential. These include:

High-Performance Computing (HPC)

In computational research and scientific modeling, the adapter supports massive data exchange between clustered nodes with minimal latency, enabling parallel computation and faster time-to-insight.

Virtualization and Cloud Workloads

The Dell WDMVH is optimized for VMware, Hyper-V, and other virtualization platforms. SR-IOV and network traffic prioritization ensure each virtual instance receives the required network bandwidth without congestion.

Database and Analytics Platforms

High-throughput and low-latency characteristics of this adapter significantly reduce query times and data replication lag across distributed database architectures.

Edge and Telco Deployments

Its compact form factor and efficient heat dissipation make the WDMVH suitable for edge deployments, telecom racks, and remote data centers requiring energy-efficient high-speed networking.

Security and Compliance Features

The Dell WDMVH adapter includes a suite of security-focused features to protect data integrity and comply with enterprise IT standards. This includes:

Secure Boot and Firmware Validation

Support for secure boot processes ensures the adapter firmware is authenticated and has not been tampered with, protecting the integrity of network operations.

Network Isolation and VLAN Tagging

Built-in VLAN support allows network segmentation to isolate sensitive data and optimize performance in multi-tenant or hybrid cloud environments.

Compatibility with Security Tools

The adapter works with intrusion detection and prevention systems (IDPS) by supporting mirrored traffic analysis and packet tagging, enhancing the ability to detect threats in real time.

Environmental Efficiency and Thermal Management

As part of Dell’s commitment to sustainability and operational efficiency, the WDMVH adapter is designed to minimize energy use while maintaining high performance.

Low Power Consumption Design

Despite delivering 25GbE performance, the adapter maintains an efficient power profile. Its low wattage consumption reduces strain on power budgets and thermal loads in dense server racks.

Efficient Thermal Management

Integrated thermal sensors and advanced airflow designs ensure the adapter operates within safe temperature ranges, reducing the risk of heat-induced component failures and extending lifespan.

Integration with Dell Networking Ecosystem

Designed and certified for Dell systems, the WDMVH integrates seamlessly with Dell OS10 switches, management platforms, and enterprise-grade infrastructure components.

Dell PowerEdge Server Compatibility

The adapter is validated for a broad lineup of PowerEdge systems including R740, R750, and MX series, offering plug-and-play support with Dell’s Lifecycle Controller and iDRAC.

OpenManage Integration

When used in a Dell infrastructure, the card can be monitored and managed via Dell OpenManage software for lifecycle updates, performance tracking, and remote diagnostics.