4WKX9 Dell Broadcom 57504 Quad Port 28 SFP OCP NIC 3.0 25 GBE Network Adapter

Product Overview of Dell 4WKX9 4 Ports Network Adapter

The Dell 4WKX9 represents a pinnacle within the OCP NIC 3.0 adapter category, engineered for modern software-defined data centers, high-frequency trading environments, and AI inferencing clusters. As a quad-port 25 Gigabit Ethernet (25GbE) adapter based on the Broadcom 57504 controller, this network interface card (NIC) sits at the intersection of extreme throughput, low latency, and open compute project (OCP) standardization.

General Specifications

• Manufacturer: Dell
• Part Number: 4WKX9
• Product Type: Quad-Port Network Adapter

Technical Specifications

• Card Type: Plug-in Expansion Card
• Slot Compatibility: SFP28 Expansion Interface
• Physical Build: Compact, durable construction for enterprise systems
• Host Interface: PCI Express architecture
• Technology Standard: 25GBase-X protocol support
• Port Count: Four high-speed connections for optimized throughput

Performance Highlights

• Engineered for high-bandwidth data transfer across multiple channels
• Supports scalable networking in demanding IT infrastructures
• Reliable low-latency communication for enterprise workloads

Compatibility & Standards

• Designed to integrate seamlessly with modern server environments
• Adheres to industry-recognized protocols for interoperability
• Future-ready for next-generation networking requirements

Key Advantages

• Enhanced multi-port flexibility for diverse applications
• Optimized PCIe connectivity ensuring stable performance

Understanding of Dell 4WKX9 25GbE Network Adapter

The Dell 4WKX9 Broadcom 57504 Quad Port 28 SFP OCP NIC 3.0 25GbE Network Adapter is a high-performance networking solution engineered for modern enterprise data centers, cloud computing environments, virtualization infrastructures, and software-defined networking deployments. Built around the advanced Broadcom 57504 Ethernet controller architecture, this adapter provides four independent 25 Gigabit Ethernet connectivity ports through SFP28 interfaces, delivering exceptional bandwidth density, network scalability, and operational efficiency.

Designed for OCP NIC 3.0 compliant server platforms, the adapter enables organizations to maximize server networking capabilities while maintaining compatibility with contemporary rack-scale architectures. The combination of quad-port connectivity and 25GbE throughput allows enterprises to support demanding workloads including virtualization clusters, hyper-converged infrastructure, artificial intelligence processing environments, high-performance computing platforms, distributed storage systems, and cloud-native application ecosystems.

Advanced Broadcom 57504 Ethernet Controller

The Broadcom 57504 controller integrated into the Dell 4WKX9 network adapter represents a sophisticated networking platform optimized for enterprise-class deployments. The controller incorporates advanced packet processing technologies that reduce latency while increasing throughput across high-bandwidth applications. Its architecture is specifically designed to address the performance requirements of modern data center networking where predictable response times and reliable packet delivery are critical.

The controller supports intelligent traffic acceleration mechanisms that minimize host CPU utilization during heavy network activity. By offloading networking tasks from the server processor, the adapter enables compute resources to remain focused on application execution, virtualization operations, database processing, and business-critical workloads.

High-Speed Data Processing Capabilities

The Ethernet controller supports extensive packet processing functions, enabling efficient handling of large data streams across multiple concurrent connections. Enterprise applications benefit from accelerated network communication while maintaining low latency characteristics required by mission-critical environments.

Hardware-Based Network Optimization

Integrated hardware acceleration features improve packet forwarding efficiency and support consistent application performance. These capabilities help organizations achieve greater server utilization while maintaining reliable network connectivity across diverse operating environments.

Quad-Port 25GbE Connectivity Advantages

The quad-port configuration of the Dell 4WKX9 adapter delivers substantial networking flexibility for enterprise deployments. Each SFP28 port provides dedicated 25 Gigabit Ethernet connectivity, enabling a combined potential throughput capacity of up to 100Gbps when all ports operate simultaneously.

This high-density networking configuration supports multiple deployment models, including network segmentation, storage networking, virtualization traffic separation, cluster interconnects, and high-availability architectures. Organizations can allocate individual ports to specific traffic categories while maintaining optimal network performance and security policies.

Increased Network Bandwidth Density

By integrating four 25GbE ports into a single OCP NIC 3.0 adapter, the solution reduces hardware complexity while maximizing available bandwidth per server. This consolidation helps optimize server expansion capabilities and improves overall rack-level networking efficiency.

Flexible Traffic Segmentation

Multiple ports allow administrators to separate application traffic, management traffic, storage communication, and virtual machine networking across dedicated interfaces. Such segmentation contributes to enhanced security, performance predictability, and simplified network management.

Load Balancing Capabilities

The adapter supports advanced load distribution technologies that enable network traffic to be balanced across available ports. This improves bandwidth utilization and contributes to higher levels of network resilience.

Redundant Connectivity Design

Redundancy features enable continuous network availability by providing alternative communication paths in the event of link interruptions or infrastructure maintenance activities.

SFP28 Interface Technology

The SFP28 interfaces utilized by the Dell 4WKX9 adapter offer versatile connectivity options suitable for a broad range of enterprise networking scenarios. SFP28 technology supports 25 Gigabit Ethernet transmission while maintaining compact form factors and flexible optical or direct-attach cable deployment options.

Organizations can select appropriate transceiver modules based on distance requirements, infrastructure design, and network architecture objectives. This flexibility allows seamless integration into existing environments while supporting future network expansion initiatives.

Optical Networking

SFP28 optical transceivers enable high-speed connectivity across data center rows, server clusters, storage fabrics, and campus environments. Fiber-optic deployments support low-latency communication while providing excellent signal integrity over extended distances.

Direct Attach Connectivity

For short-distance server-to-switch connections, direct attach copper solutions provide cost-effective networking while maintaining full 25GbE performance characteristics.

Scalable Infrastructure Integration

The modular nature of SFP28 technology enables organizations to adapt networking configurations as infrastructure requirements evolve, helping protect investments and simplify migration strategies.

OCP NIC 3.0 Form Factor Benefits

The Open Compute Project NIC 3.0 form factor incorporated into the Dell 4WKX9 network adapter supports modern server designs focused on efficiency, serviceability, and scalability. OCP NIC 3.0 technology separates networking functions from traditional PCIe expansion slots, allowing organizations to maximize server configurability.

By utilizing a dedicated networking interface, server platforms retain valuable PCIe resources for storage controllers, accelerators, GPUs, and other expansion technologies. This architecture improves overall system flexibility while supporting large-scale data center deployments.

Optimized Server Expansion

The dedicated OCP NIC slot architecture allows organizations to deploy high-performance networking without consuming critical PCIe expansion resources. This enhances server versatility and supports infrastructure growth initiatives.

Data Center Standardization

OCP NIC 3.0 compliance facilitates standardized deployment methodologies across server fleets, improving maintenance efficiency and reducing operational complexity.

Simplified Upgrade Processes

Organizations can upgrade networking capabilities independently of other server components, streamlining lifecycle management and reducing deployment disruption.

Virtualization Performance Enhancements

Virtualized environments place significant demands on networking infrastructure due to high virtual machine densities and extensive east-west traffic patterns. The Dell 4WKX9 Broadcom 57504 adapter incorporates features specifically designed to improve virtualization performance across enterprise hypervisors.

Advanced networking acceleration technologies help reduce virtualization overhead while enabling efficient traffic handling for large numbers of virtual machines. This supports improved workload consolidation ratios and more efficient utilization of server resources.

Virtual Machine Traffic Acceleration

Hardware-assisted virtualization networking features improve packet processing efficiency and help maintain consistent application responsiveness within virtualized infrastructures.

Support for Multi-Tenant Environments

The adapter enables secure traffic isolation and efficient network resource allocation across multiple tenants, departments, or application groups.

Enhanced Hypervisor Integration

Broad compatibility with enterprise virtualization platforms enables seamless deployment within cloud environments, private data centers, and hybrid infrastructure architectures.

Enterprise Security and Network Reliability

Security and reliability remain essential considerations within enterprise networking environments. The Dell 4WKX9 Broadcom 57504 adapter incorporates capabilities designed to support secure communications, operational stability, and continuous network availability.

These features contribute to improved infrastructure resilience and help organizations maintain service continuity across critical business applications.

Reliable Data Transmission

Advanced error detection and correction mechanisms support accurate packet delivery while minimizing communication disruptions. This improves application consistency and supports enterprise service level objectives.

Network Integrity Features

The adapter helps maintain data integrity across high-speed network links, supporting mission-critical applications that require dependable communication channels.

Storage Networking Performance

Modern storage architectures increasingly depend on high-speed Ethernet connectivity to support demanding workloads and data-intensive applications. The Dell 4WKX9 adapter delivers the bandwidth necessary for efficient storage communication across converged infrastructure deployments.

Organizations implementing network-attached storage, distributed storage platforms, software-defined storage systems, and high-performance storage clusters benefit from the adapter's low-latency performance and high throughput capabilities.

High-Speed Storage Connectivity

25GbE networking provides substantial performance improvements compared to earlier Ethernet generations, enabling faster data movement between servers and storage resources.

Support for Data-Intensive Applications

Applications involving analytics, machine learning, database processing, and large-scale content management benefit from increased storage network bandwidth and reduced communication bottlenecks.

Efficient Backup

High-capacity network links facilitate accelerated backup, recovery, and data replication activities across distributed infrastructure environments.