4TRD3 Dell CX562A Mellanox ConnectX-5 25GbE SFP28 Network Adapters

The 4TRD3 Dell OCP 3.0 SFP28 Network Adapter 

The 4TRD3 Dell Mellanox CX562A ConnectX-5 Dual-Port 25Gb OCP 3.0 Network Adapter is a high-performance server networking solution engineered for modern data center environments that demand ultra-low latency, high throughput, and scalable bandwidth efficiency. Designed with Mellanox ConnectX-5 technology and integrated into Dell PowerEdge infrastructure via the OCP 3.0 form factor, this network interface card delivers advanced Ethernet connectivity optimized for virtualization, cloud computing, storage networking, and high-performance computing workloads. This category of networking hardware is specifically tailored for enterprise-grade servers that require consistent 25GbE connectivity per port, ensuring smooth data flow across distributed systems. The dual-port architecture enhances redundancy, load balancing, and throughput optimization, making it suitable for mission-critical applications where network stability and performance directly impact system efficiency.

Advanced Mellanox ConnectX-5 Controller Technology

At the core of the 4TRD3 Dell Mellanox CX562A adapter lies the Mellanox ConnectX-5 network controller, a widely recognized silicon platform designed to support next-generation Ethernet speeds and advanced networking offloads. This controller introduces enhanced packet processing capabilities, reducing CPU overhead and improving server efficiency in dense virtualization environments. The ConnectX-5 architecture is optimized for workloads that require sustained bandwidth at 25Gb per port, enabling seamless communication between compute nodes, storage arrays, and cloud infrastructure layers. Its advanced offload engines help manage RDMA over Converged Ethernet (RoCE), TCP/IP acceleration, and NVMe over Fabrics, ensuring minimal latency even under heavy traffic conditions.

OCP 3.0 Form Factor Integration for Dell PowerEdge Servers

The OCP 3.0 (Open Compute Project) standard is a modernized hardware interface designed to improve modularity and airflow efficiency in enterprise servers. The 4TRD3 Dell Mellanox CX562A adapter leverages this form factor to seamlessly integrate into compatible Dell PowerEdge blade and rack servers, providing a compact yet powerful networking solution. This integration allows data centers to maximize PCIe lane utilization while maintaining efficient thermal design. The OCP 3.0 edge connector ensures high-speed PCIe Gen4 connectivity between the adapter and the server motherboard, enabling the full potential of 25GbE dual-port throughput without bottlenecks.

Dual-Port 25GbE Performance Optimization

One of the defining characteristics of the 4TRD3 Dell Mellanox CX562A network adapter is its dual-port 25Gb Ethernet capability. Each port operates independently or in aggregated mode to provide up to 50Gb of combined throughput. This configuration enables advanced load balancing strategies that distribute network traffic efficiently across multiple paths, reducing congestion and improving overall system responsiveness. In high-density virtualized environments, dual-port networking allows administrators to allocate separate channels for storage traffic and application traffic, ensuring predictable performance. This separation of workloads enhances Quality of Service (QoS) and prevents network contention in mission-critical infrastructures.

High-Speed Storage Fabric Connectivity

Modern data centers rely heavily on high-speed storage networking protocols to ensure rapid access to distributed storage systems. The 4TRD3 Dell Mellanox CX562A adapter supports NVMe over Fabrics (NVMe-oF), enabling direct access to remote storage devices with near-local performance characteristics. This capability significantly reduces storage latency compared to traditional SAN architectures, making it ideal for high-performance databases, analytics workloads, and large-scale virtualization clusters. The dual 25GbE ports ensure redundant and high-throughput connectivity to storage arrays.

RDMA over Converged Ethernet Acceleration

Remote Direct Memory Access (RDMA) over Converged Ethernet is a key feature supported by this adapter, enabling direct memory-to-memory data transfer between servers without involving CPU intervention. This dramatically improves data throughput and reduces latency in distributed computing environments. ROCE support allows applications such as big data processing frameworks, AI model training clusters, and distributed file systems to achieve significantly improved performance. The Mellanox ConnectX-5 architecture ensures reliable transport even in congested network environments.

Data Center Scalability and Efficiency

Energy efficiency is a critical factor in modern data center design, and the 4TRD3 Dell Mellanox CX562A adapter is engineered with power optimization in mind. The advanced silicon architecture minimizes power consumption while maintaining high throughput levels, reducing operational costs over time. This efficiency is particularly beneficial in large-scale deployments where hundreds or thousands of network adapters operate simultaneously, contributing to significant energy savings across the infrastructure lifecycle.

High-Density Server Compatibility

The compact OCP 3.0 design allows this adapter to be deployed in high-density server environments without compromising airflow or thermal performance. This is essential in blade server architectures where space constraints and heat dissipation are critical design considerations. Dell PowerEdge servers equipped with this adapter benefit from optimized internal layouts that support scalable networking expansion without requiring additional PCIe slots or external networking hardware.

Seamless Integration with Dell Server Ecosystem

The 4TRD3 Dell Mellanox CX562A adapter is designed specifically for integration within Dell PowerEdge server ecosystems, ensuring compatibility with existing hardware management tools, firmware systems, and orchestration platforms. This tight integration simplifies deployment and maintenance processes, allowing IT administrators to manage network infrastructure alongside compute and storage resources from a unified interface.