900-9X5AZ-0053-ST6 Nvidia Connectx-5 25GBE SFP28 PCIe Network Adapter

Overview of Nvidia 900-9X5AZ-0053-ST6 25GBE 2 Port Adapter

The NVIDIA ConnectX-5 EN 25GbE dual-port network interface card is a powerful enterprise networking solution designed for cloud computing, virtualization, storage infrastructure, and high-performance data center applications. Featuring dual SFP28 ports and PCIe Gen3 x16 connectivity, this advanced NIC delivers reliable high-speed Ethernet performance with low latency and intelligent traffic acceleration.

General Specifications

• Manufacturer: Nvidia
• Part Number: 900-9X5AZ-0053-ST6
• Series: ConnectX-5 EN
• Product Type: Network Adapter

Technical Product Information

• Device Type: Network Adapter
• Interface: PCIe 3.0 x16
• Ethernet Technology: 25 Gigabit Ethernet
• Form Factor: Plug-in Card
• PCIe Revision: PCIe Gen3
• Ports: 2 x 25GBE SFP28
• Connectivity Technology: Wired

Network Performance

• Maximum Data Transfer Rate: 25 Gbps
• Supported Ethernet Standards: Gigabit Ethernet, 10GbE, 25GbE
• Network Protocols: TCP/IP, UDP/IP, iSCSI

The Nvidia 900-9X5AZ-0053-ST6 ConnectX-5 Network Adapter

The Nvidia 900-9X5AZ-0053-ST6 ConnectX-5 EN 25GbE Dual-Port SFP28 PCIe Gen3 x16 Network Interface Card is engineered for enterprise networking environments that demand low latency, high throughput, advanced virtualization support, and scalable connectivity. Powered by advanced Mellanox ConnectX-5 technology, this enterprise-grade network adapter provides exceptional performance for cloud computing, virtualization, software-defined storage, AI workloads, and high-performance computing infrastructures.

25GbE High Speed Network Connectivity

The Nvidia ConnectX-5 EN network adapter supports dual-port 25 Gigabit Ethernet connectivity for modern enterprise and cloud data center environments. Compared to legacy 10GbE solutions, 25GbE networking significantly improves throughput efficiency while maintaining lower latency communication across servers and storage systems. This high-speed connectivity helps enterprises manage virtualization, analytics, database applications, and cloud services more efficiently. The enhanced bandwidth improves workload responsiveness and ensures consistent network performance during demanding operations.

Optimized Throughput Performance

High throughput is essential for applications handling large-scale data processing, virtualization traffic, and distributed storage communication. The ConnectX-5 EN adapter delivers efficient packet transmission and stable network bandwidth for continuous enterprise operations. Faster throughput helps reduce processing delays and improves application responsiveness across multiple workloads. Optimized performance supports business-critical computing environments.

Reduced Congestion In Enterprise

The advanced 25GbE networking architecture minimizes traffic congestion and bottlenecks commonly found in high-density server infrastructures. Improved bandwidth distribution allows smoother communication between compute nodes and storage resources. Reduced congestion increases overall operational efficiency and application stability. This capability is especially beneficial for cloud and virtualization deployments.

Dual-Port SFP28 Connectivity

The dual-port SFP28 design provides flexible network connectivity options for enterprise data centers and server environments. Organizations can configure the adapter for redundancy, failover protection, load balancing, or scalable network expansion depending on operational requirements. Dual-port networking improves availability while maximizing bandwidth utilization across multiple network paths. This flexibility enhances deployment efficiency in modern infrastructures.

Enhanced Redundancy

Redundant network connectivity is important for enterprise systems that require uninterrupted communication and maximum uptime. The dual-port architecture enables failover functionality to maintain connectivity during hardware or cable failures. This improves business continuity and operational reliability in mission-critical environments. Redundancy also reduces the risk of unexpected downtime.

PCIe Gen3 x16 Interface

The PCI Express Gen3 x16 interface provides high-speed communication between the network adapter and server motherboard, ensuring the full performance potential of the dual 25GbE ports. High PCIe bandwidth eliminates internal bottlenecks and improves packet processing speed during intensive networking operations. This interface is optimized for enterprise servers requiring stable high-throughput communication. Efficient PCIe connectivity improves system scalability and performance.

Improved Internal Data Transfer Performance

Efficient communication between the NIC and system components is critical for modern networking environments. The PCIe Gen3 x16 architecture enhances data transfer rates and minimizes communication delays between processors, memory, and network resources. Faster internal communication improves application responsiveness and network efficiency. This contributes to better workload management across enterprise infrastructures.

ConnectX-5 Architecture

The Mellanox ConnectX-5 architecture introduces advanced hardware acceleration technologies that improve networking efficiency while reducing CPU overhead. Intelligent packet processing, hardware offloads, and enhanced data movement capabilities allow enterprise servers to maintain low latency communication and maximum throughput under heavy workloads. The architecture is optimized for cloud computing, AI infrastructures, and virtualization environments.

Low Latency Networking

The Nvidia ConnectX-5 EN network adapter is optimized for ultra-low latency communication required in high-performance computing, AI processing, financial services, and real-time analytics environments. Low latency ensures faster synchronization between systems and improves responsiveness for distributed applications. Stable communication performance is critical for modern enterprise operations handling time-sensitive workloads.

Faster Response Time For Enterprise Applications

Applications that depend on immediate data processing require low latency communication to maintain operational efficiency and responsiveness. The ConnectX-5 EN adapter reduces communication delays and improves data transfer consistency between network nodes. Faster response times enhance user experience and processing accuracy. Reliable low latency networking improves workload performance.

Accelerated Data Movement

The Nvidia ConnectX-5 EN network interface card supports RDMA over Converged Ethernet technologies for efficient direct memory access communication between systems. RDMA significantly reduces CPU overhead while improving throughput and minimizing latency. This capability is especially beneficial for storage networking, virtualization clusters, and AI environments that require rapid data exchange between servers.

Improved Storage Network Performance

Storage systems benefit greatly from RDMA technology because it reduces communication overhead during read and write operations. Faster data movement improves storage responsiveness and accelerates enterprise application performance. Efficient storage networking is critical for databases, virtualization clusters, and NVMe storage environments. Accelerated communication enhances operational productivity.

Advanced Cloud Environments

The ConnectX-5 EN adapter includes advanced virtualization technologies that improve networking efficiency in virtualized infrastructures and cloud computing environments. Features such as SR-IOV allow virtual machines to access hardware network resources directly for better throughput and reduced latency. Enhanced virtualization support improves scalability and operational flexibility for enterprise cloud deployments.

SR-IOV Technology

Single Root I/O Virtualization enables multiple virtual machines to share physical networking resources more efficiently while maintaining isolation and performance consistency. Direct access to network hardware reduces communication delays and improves VM responsiveness. This technology is important for enterprise virtualization environments handling large numbers of virtual machines. Efficient virtualization improves cloud infrastructure performance.

Enterprise Security Features

The Nvidia ConnectX-5 EN network adapter includes advanced enterprise security technologies designed to protect sensitive data and maintain secure communication across high-speed networks. Secure firmware architecture, data integrity features, and hardware-level protection mechanisms help prevent unauthorized access and maintain operational trustworthiness. Reliable security is essential for modern enterprise infrastructures.

Secure Firmware Architecture

Secure firmware technologies protect the adapter against unauthorized modifications and malicious attacks that could compromise networking operations. Maintaining firmware integrity enhances system reliability and infrastructure security. Hardware-level protection improves trustworthiness in enterprise deployments handling sensitive business information. Secure architecture supports stable long-term operation.

Machine Learning Infrastructure

Artificial intelligence and machine learning workloads require fast communication between compute nodes, GPUs, and storage systems for efficient distributed processing. The ConnectX-5 EN adapter provides the bandwidth and low latency necessary for high-performance AI environments. Faster networking improves synchronization during model training and accelerates data movement across AI infrastructures.

Accelerated GPU Cluster Communication

GPU clusters rely on high-speed communication for parallel processing tasks involved in AI model training and inference operations. The advanced networking architecture of the ConnectX-5 EN adapter minimizes communication delays and improves synchronization efficiency between nodes. Faster communication accelerates workload completion times. Efficient networking enhances AI infrastructure productivity.

Distributed Machine Learning Performance

Distributed machine learning environments require stable and scalable networking for continuous data exchange between servers and compute nodes. The ConnectX-5 architecture ensures reliable throughput and low latency during intensive AI operations. Optimized communication improves scalability and reduces training bottlenecks. Enterprise AI systems benefit from consistent networking performance.

High Performance Computing

The Nvidia ConnectX-5 EN adapter is designed for high-performance computing environments handling scientific simulations, engineering analysis, and large-scale research workloads. High throughput and low latency communication improve coordination between compute nodes and storage resources. This enables faster processing of complex computational tasks in enterprise and research environments.

Enterprise Data Centers

The ConnectX-5 EN architecture is engineered to deliver high networking performance while maintaining energy-efficient operation in enterprise infrastructures. Advanced power management technologies help reduce electricity consumption and thermal output during varying workload conditions. Lower power usage improves sustainability while reducing operational expenses for large-scale deployments.

Reduced Energy Consumption

Energy efficiency is essential for modern data centers aiming to reduce operational costs and cooling requirements. The ConnectX-5 adapter minimizes unnecessary power consumption while maintaining consistent networking performance under heavy workloads. Lower energy usage supports environmentally responsible infrastructure operations. Efficient hardware design improves long-term cost savings.

Enterprise Grade Reliability

The Nvidia ConnectX-5 EN network interface card is built for continuous enterprise operation with durable hardware components, stable firmware architecture, and reliable networking technologies. It is engineered to handle demanding workloads in data centers, virtualization environments, and cloud infrastructures without compromising stability. Enterprise-grade reliability ensures long-term operational continuity.

Stable Performance During Heavy Network Traffic

Enterprise infrastructures require networking hardware capable of maintaining stable throughput and low latency during peak operational periods. The ConnectX-5 EN adapter delivers consistent communication performance even under demanding traffic conditions. Stable operation improves workload efficiency and reduces the risk of service interruptions. Reliability is critical for enterprise deployments.