C5XKT Dell Broadcom 57504 Quad 4 Port SFP28 NIC 3.0 25GBE

Details of Dell Broadcom 57504 4 Port NIC

The Dell C5XKT Broadcom 57504 Quad 4-Port SFP28 NIC 3.0 25GbE is a high-performance network adapter engineered for enterprise-grade servers. With four SFP28 ports, PCI Express integration, and support for advanced OCP 3.0 mezzanine slots, this Dell NIC ensures reliable, scalable, and ultra-fast connectivity for modern data centers.

Main Information

• Manufacturer: Dell
• Model Number: C5XKT
• Device Category: Network Adapter

Technical Specifications

• Data Transfer Rate: 10/25 Gbps
• Connectivity Technology: Wired

Form Factor

• Type: Plug-in Card
• Interface (Bus): PCI Express

Hardware Compatibility

• 15th Generation Dell PowerEdge Servers
• 16th Generation Dell PowerEdge Servers
• Newer Generations of Dell PowerEdge Systems

Fully Supported Systems

• PowerEdge C6620
• PowerEdge R650xs
• PowerEdge R6625
• PowerEdge R750xa
• PowerEdge R7625
• PowerEdge R770

Key Advantages

• Quad SFP28 ports for flexible high-speed networking.
• Supports 10/25GbE data transfer rates for enterprise workloads.
• Optimized for OCP 3.0 mezzanine slots in Dell PowerEdge servers.
• Reliable wired connectivity for mission-critical applications.
• Compact plug-in card design for easy deployment.

Dell C5XKT Broadcom 57504 Quad 4 Port SFP28 NIC Overview

The Dell C5XKT Broadcom 57504 Quad 4 Port SFP28 OCP NIC 3.0 25GbE represents a high-performance network interface solution designed for modern data center environments where bandwidth density, low latency, and scalable architecture are critical. This category of networking hardware is engineered to meet the growing demands of virtualization, cloud computing infrastructures, high-frequency trading systems, artificial intelligence workloads, and large-scale enterprise storage networks. As organizations transition from traditional 10GbE networks to 25GbE and beyond, this class of OCP NIC 3.0 adapters plays a crucial role in enabling seamless, efficient, and highly optimized network communication across distributed systems.

Built on Broadcom’s advanced silicon architecture, the 57504 controller integrates multiple high-speed data paths into a compact form factor optimized for OCP NIC 3.0 slots. The Dell C5XKT variant is specifically tuned for enterprise-grade Dell servers, ensuring tight compatibility, optimized firmware integration, and enhanced system-level performance stability. This makes it particularly relevant for hyperscale environments and organizations adopting modular, disaggregated server architectures.

Enterprise Networking Evolution and the Role of 25GbE Architecture

The shift toward 25GbE networking is driven by exponential growth in data consumption, virtualization density, and distributed computing workloads. Traditional 10GbE infrastructures often struggle to handle modern east-west traffic patterns found in cloud-native applications. The Dell C5XKT Broadcom 57504 Quad Port SFP28 NIC addresses this bottleneck by delivering significantly higher per-port throughput while maintaining backward compatibility with existing network designs.

Within enterprise networking categories, 25GbE solutions are positioned as an optimal balance between cost efficiency and performance scalability. Unlike 40GbE and 100GbE solutions that may require extensive infrastructure overhaul, 25GbE allows incremental upgrades while delivering substantial performance improvements. This category is widely adopted in hyper-converged infrastructure (HCI), storage replication clusters, and distributed AI training environments.

Scalability Advantages in Modern Data Centers

Scalability is one of the defining attributes of the Dell C5XKT Broadcom 57504 NIC category. Each of the four SFP28 ports supports independent 25GbE connectivity, enabling aggregated bandwidth that can scale to 100Gbps per adapter. This multi-port design allows administrators to segment traffic intelligently across different workloads, such as separating storage traffic, virtualization traffic, and management traffic. The result is improved predictability, reduced congestion, and higher overall system efficiency.

In large-scale deployments, these adapters enable rack-level optimization where each server node can function as a high-throughput endpoint within a distributed computing fabric. This architecture supports modern cloud-native environments where microservices require constant, low-latency communication across nodes.

Broadcom 57504 Architecture and Performance Engineering

The controller integrates support for RDMA over Converged Ethernet (RoCE), advanced virtualization offloads, and intelligent traffic management features. These capabilities significantly reduce CPU utilization in virtualized environments, allowing compute resources to be allocated more efficiently toward application workloads rather than network processing tasks.

Advanced Offload Capabilities

One of the defining strengths of the Broadcom 57504 architecture is its comprehensive offload engine. This includes support for TCP segmentation offload, large send offload, checksum offloading, and virtualization-specific optimizations such as Single Root I/O Virtualization (SR-IOV). These features enable the NIC to handle complex networking operations internally, reducing latency and improving throughput consistency.

In environments with high virtual machine density, these offloads become essential for maintaining predictable performance. Without such capabilities, host CPUs would be overwhelmed by packet processing tasks, resulting in degraded application performance and increased operational overhead.

Latency Optimization in High-Frequency Environments

Low latency is a critical requirement in financial trading systems, real-time analytics platforms, and distributed AI inference workloads. The Dell C5XKT Broadcom 57504 NIC category is engineered to minimize packet traversal time through hardware acceleration and optimized driver stacks. By reducing context switching and kernel intervention, the adapter ensures near-line-rate performance even under heavy traffic loads.

This is particularly important in clustered computing environments where microsecond-level delays can significantly impact system synchronization and data consistency.

OCP NIC 3.0 Standard and Modular Hardware Design

The Open Compute Project (OCP) NIC 3.0 standard defines a modern form factor designed for modularity, efficiency, and interoperability in hyperscale data centers. The Dell C5XKT adapter conforms to this standard, ensuring compatibility with OCP-compliant server platforms and enabling hot-swappable, serviceable network expansion capabilities.

Promotes open standards that reduce vendor lock-in and increase flexibility in infrastructure design. The NIC 3.0 specification supports improved thermal design, higher port density, and more efficient power utilization compared to traditional PCIe NIC form factors.

Thermal Efficiency and Power Optimization

Thermal management is a critical consideration in high-density networking environments. The Dell C5XKT Broadcom 57504 NIC is designed with optimized heat dissipation pathways that allow it to operate efficiently even under sustained high traffic loads. Reduced thermal output not only improves system reliability but also contributes to lower overall data center cooling costs.

Power efficiency is achieved through dynamic energy management features that adjust power consumption based on traffic load. This ensures that the adapter does not consume unnecessary power during low utilization periods while maintaining full performance capacity when required.

SFP28 Interface and Optical Networking Flexibility

The SFP28 interface is a key component of the Dell C5XKT Quad Port design, providing support for 25GbE optical and direct attach copper connectivity. This flexibility allows organizations to tailor their network infrastructure based on distance, bandwidth requirements, and cost considerations.

Multi-Protocol and Multi-Media Support

SFP28 modules support a wide range of transceivers, enabling deployment across short-range intra-rack connections as well as longer-range inter-rack or inter-building links. This adaptability makes the Dell C5XKT NIC category suitable for diverse deployment scenarios including cloud data centers, enterprise server clusters, and storage area networks.

The ability to switch between optical fiber and DAC (Direct Attach Copper) solutions provides additional cost optimization opportunities while maintaining consistent performance characteristics.

Network Redundancy and Failover Capabilities

With four independent ports, the Dell C5XKT Broadcom 57504 NIC supports advanced redundancy configurations that enhance network resilience. In mission-critical environments, link aggregation and failover strategies ensure uninterrupted connectivity even in the event of port or cable failures. This contributes to higher system availability and reduced risk of downtime in production environments.

Virtualization, Cloud Computing, and Software-Defined Networking Integration

Modern IT infrastructures rely heavily on virtualization and software-defined networking (SDN) to achieve flexibility and scalability. The Dell C5XKT NIC category is designed to integrate seamlessly with these technologies, providing hardware acceleration for virtual machine networking and containerized workloads.

SR-IOV support enables direct assignment of physical NIC resources to virtual machines, reducing overhead and improving network performance consistency. This is particularly important in cloud environments where multiple tenants share the same physical infrastructure.

Compatibility with Hyper-Converged Infrastructure

Hyper-converged infrastructure solutions depend heavily on high-speed networking to synchronize compute, storage, and virtualization layers. The 25GbE bandwidth provided by the Dell C5XKT Broadcom 57504 adapter ensures that storage replication, VM migration, and distributed workload balancing occur without network congestion.

This level of performance integration allows enterprises to scale infrastructure horizontally without introducing bottlenecks that could impact application responsiveness or data consistency.

Enterprise Deployment Scenarios and Workload Optimization

The Dell C5XKT Broadcom 57504 Quad Port NIC category is deployed across a wide range of enterprise scenarios. These include cloud service providers, large enterprise data centers, research computing clusters, and AI training environments. Each scenario benefits from the adapter’s ability to deliver high bandwidth, low latency, and efficient packet processing.

Cloud Infrastructure and Multi-Tenant Environments

In cloud environments, network isolation and performance consistency are essential. The NIC’s support for virtualization offloads and traffic segmentation enables cloud providers to deliver predictable performance across multiple tenants while maintaining infrastructure efficiency.

Artificial Intelligence and Machine Learning Workloads

AI training workloads generate massive amounts of data that must be distributed across compute nodes. The 25GbE throughput of this NIC category ensures that model training pipelines remain efficient and that GPU clusters can exchange data without network-induced delays.

High-Performance Storage Networking

Storage area networks and distributed storage systems benefit significantly from the high bandwidth and low latency characteristics of the Dell C5XKT NIC. Whether used for NVMe over Fabrics or traditional storage replication, the adapter ensures consistent data transfer rates that are critical for maintaining system integrity and performance.

Driver Ecosystem, Firmware Integration, and System Compatibility

The Dell implementation of the Broadcom 57504 controller ensures tight integration with server firmware and operating system drivers. Provides optimized driver packages that enhance stability, performance tuning, and system diagnostics.

Firmware-level integration allows for advanced monitoring capabilities, enabling administrators to track link performance, error rates, and thermal conditions in real time. This level of visibility is essential for maintaining enterprise-grade service level agreements.

Operating System Support and Virtualization Platforms

The NIC is compatible with major enterprise operating systems and hypervisors, including Linux distributions, Windows Server environments, and virtualization platforms such as VMware and KVM. This broad compatibility ensures that organizations can deploy the adapter in heterogeneous environments without requiring specialized configurations.

Network Security, Traffic Management, and Data Integrity

Security is an integral aspect of modern networking infrastructure. The Dell C5XKT Broadcom 57504 NIC supports advanced traffic management features that help enforce network segmentation and protect data integrity. Hardware-level offloads reduce exposure to CPU-based vulnerabilities by minimizing software packet handling.

Traffic prioritization features ensure that critical workloads receive the necessary bandwidth allocation even during periods of network congestion. This is essential in environments where latency-sensitive applications coexist with bulk data transfer operations.

Reliability Engineering and Fault Tolerance

Reliability is achieved through redundant design principles, robust error correction mechanisms, and continuous link monitoring. The quad-port configuration enhances fault tolerance by allowing traffic rerouting in the event of hardware or link failures, ensuring continuous service availability.

Integration with AI-Driven Network Management Systems

Modern data centers increasingly rely on AI-driven monitoring and optimization systems to manage network performance. The telemetry capabilities of advanced NICs such as the Dell C5XKT allow integration with predictive analytics systems that can anticipate congestion, optimize routing, and prevent failures before they occur.

Adaptive Bandwidth Allocation and Smart Traffic Routing

Intelligent traffic management systems can leverage NIC-level telemetry to dynamically allocate bandwidth based on workload priority. This ensures optimal utilization of network resources while maintaining consistent application performance across diverse workloads.