900-9X625-0053-SB0 Nvidia Connectx-6 Lx En 25GBE 2-Port SFP28 Adapter

Overview of Nvidia 900-9X625-0053-SB0 ConnectX-6 Adapter

The NVIDIA ConnectX-6 Lx EN 25GbE OCP 3.0 network adapter is an advanced enterprise-class networking solution engineered for cloud computing, virtualization, storage networking, and high-performance data center environments. Designed with dual-port SFP28 connectivity and PCIe Gen4 x8 architecture, this high-speed Ethernet adapter delivers ultra-low latency, intelligent traffic acceleration, and exceptional throughput for modern server infrastructures.

General Information

• Manufacturer: NVIDIA
• Part Number: 900-9X625-0053-SB0
• Product Type: Network Adapter
• Series: ConnectX-6 Lx EN

Technical Specifications

• Interface: 25GBE Dual SFP28 Ethernet
• Bus Interface: PCI Express Gen 4.0 x8
• Form Factor: Small Form Factor (SFF) OCP 3.0
• Supported Media: Copper And Optical
• Retention Mechanism: Thumbscrew Pull-Tab Bracket
• Card Dimensions: 4.52 Inch x 2.99 Inch (115mm x 76mm)
• Backward Compatibility: PCIe 2.0 And PCIe 1.1 Compatible

Network And Protocol Support

• Data Rates: 1GbE, 10GbE, 25GbE
• Supported Ethernet Standards: 25GBASE-R, 20GBASE-KR2, 10GBASE-LR, 

     10GBASE-ER, 10GBASE-CX4, 10GBASE-KX4, 10GBASE-CR, 10GBASE-KR

     SGMII, 1000BASE-CX, 1000BASE-KX, 10GBASE-SR

• PCIe SerDes Speed: 16.0 GT/s
• Lane Configuration: 8 Lanes

Power Consumption and Efficiency

Voltage Requirements

• Supported Voltage: 3.3VAUX, 12V

Typical Power Usage

• Passive Cable Active Mode: 11.8W
• Passive Cable Standby Mode: TBD

Maximum Power Consumption

• Passive Cable Active Mode: 13.4W
• Passive Cable Standby: 9.2W
• 1.5W Active Cable Active Mode: 16.7W
• 1.5W Active Cable Standby: 10.9W
• Maximum SFP28 Port Power: 1.5W

Environmental Specifications

Temperature Range

• Operating Temperature: 0°C To 55°C
• Non-Operating Temperature: -40°C To 70°C

Humidity and Altitude

• Operational Humidity: 10% To 85% Relative Humidity
• Storage Humidity: 10% To 90% Relative Humidity
• Maximum Operating Altitude: 3050m

Regulatory Compliance

Safety Certifications

• CB
• cTUVus
• CE Certified

EMC Standards

• CE
• FCC
• VCCI
• ICES
• RCM

Environmental Compliance

• RoHS Compliant

The Nvidia 900-9X625-0053-SB0 25GbE 2-Port SFP28 Adapter

The Nvidia 900-9X625-0053-SB0 ConnectX-6 Lx EN 25GbE OCP3.0 with Host Management Dual-Port SFP28 PCIe 4.0 x8 Network Adapter is designed for modern enterprise data centers, cloud computing platforms, virtualization infrastructures, AI processing environments, and high-performance networking deployments. Powered by advanced Nvidia Mellanox ConnectX-6 Lx technology, this enterprise-class network adapter provides reliable 25GbE connectivity, low latency communication, enhanced security, and intelligent hardware acceleration features for next-generation workloads.

25GBE High Speed Ethernet Performance

The Nvidia ConnectX-6 Lx EN network adapter delivers advanced 25 Gigabit Ethernet connectivity for enterprise networking environments requiring fast and reliable communication between servers, storage systems, and cloud infrastructures. Compared to legacy networking technologies, 25GbE significantly improves throughput efficiency and reduces communication bottlenecks in data-intensive workloads. This networking solution enables organizations to support virtualization, analytics, AI processing, and software-defined storage with enhanced operational efficiency. Faster network communication improves application responsiveness and overall infrastructure productivity.

Enhanced Throughput For Large Scale Workloads

Enterprise applications handling massive data transfers require stable and consistent throughput for uninterrupted performance. The ConnectX-6 Lx EN adapter optimizes packet transmission and network bandwidth utilization across demanding infrastructures. Higher throughput reduces delays during application processing and improves workload responsiveness for enterprise environments. Optimized communication performance supports scalable business operations.

Reduced Network Bottlenecks During Peak Operations

The advanced 25GbE architecture minimizes congestion and packet delays commonly experienced in high-density server deployments. Faster communication between systems allows organizations to maintain smooth workflow execution during heavy operational periods. Reduced bottlenecks improve application availability and infrastructure efficiency. Reliable networking performance is critical for enterprise continuity.

Dual-Port SFP28 Connectivity

The dual-port SFP28 configuration provides flexible connectivity options for enterprise networking infrastructures requiring redundancy, failover protection, and scalable bandwidth distribution. Organizations can deploy the adapter in virtualization clusters, cloud platforms, storage environments, and distributed server architectures while maintaining reliable communication performance. Dual-port networking enhances availability and improves traffic management across enterprise environments. Flexible deployment capabilities simplify infrastructure expansion.

Improved Redundancy

Enterprise operations require uninterrupted network communication to maintain productivity and service availability. The dual-port architecture supports failover functionality that ensures continuous connectivity in case of cable or network hardware failure. Reliable redundancy improves infrastructure resilience and minimizes operational downtime risks. Stable communication is essential for mission-critical applications.

Distribution Across Multiple Connections

Balanced traffic management improves bandwidth utilization and network efficiency in enterprise environments handling large amounts of data. The dual-port design enables optimized distribution of workloads across multiple network paths for improved responsiveness and reduced congestion. Efficient traffic flow enhances scalability and application stability. Enterprise infrastructures benefit from consistent communication performance.

OCP 3.0 Form Factor

The OCP 3.0 form factor allows seamless integration with modern hyperscale and enterprise server platforms optimized for Open Compute Project standards. This architecture improves compatibility, airflow efficiency, and simplified deployment within dense server environments. OCP 3.0 networking solutions are widely adopted in cloud data centers and enterprise infrastructures seeking scalable and efficient hardware integration. Enhanced compatibility improves deployment flexibility.

Server Rack Space Utilization

Compact OCP 3.0 network adapters help organizations maximize server density while maintaining efficient cooling and cable management within enterprise data centers. Better space utilization improves operational scalability and reduces infrastructure complexity in high-density deployments. Efficient hardware integration enhances overall data center performance. Optimized rack utilization supports future infrastructure growth.

PCIe Gen4 x8 Interface

The PCI Express Gen4 x8 interface provides high-speed communication between the ConnectX-6 Lx EN network adapter and the server motherboard for maximum throughput efficiency. PCIe Gen4 technology offers significantly higher bandwidth compared to previous generations, enabling faster packet processing and improved network responsiveness. This architecture eliminates internal bottlenecks and enhances overall system performance in enterprise environments.

Accelerated Internal Data Movement Performance

Fast communication between networking hardware, processors, and memory systems is essential for modern enterprise workloads. The PCIe Gen4 interface improves internal data movement efficiency and reduces latency during intensive communication operations. Faster data exchange enhances application responsiveness and infrastructure scalability. Efficient communication pathways improve workload processing speed.

Packet Handling For Enterprise Networks

The high-bandwidth PCIe architecture ensures smooth packet processing and consistent throughput performance across demanding networking environments. Efficient packet handling minimizes delays and improves stability during continuous data transfer operations. Optimized communication improves enterprise networking reliability and operational continuity. Stable performance is critical for business applications.

Advanced Infrastructure Control

The ConnectX-6 Lx EN adapter includes integrated host management functionality that enhances server monitoring, remote administration, and infrastructure control capabilities for enterprise environments. Advanced host management features improve operational visibility and simplify hardware maintenance across distributed server infrastructures. Efficient management improves scalability and operational efficiency for modern data centers.

Enterprise Server Environments

Remote monitoring capabilities allow IT administrators to manage networking hardware and server communication more efficiently without requiring direct physical access. Improved monitoring enhances infrastructure visibility and helps organizations maintain stable operations across large deployments. Efficient management reduces administrative complexity and improves productivity. Enterprise environments benefit from centralized infrastructure control.

Troubleshooting Operations

Integrated host management technologies improve the ability to identify performance issues, monitor system status, and perform maintenance tasks efficiently. Simplified troubleshooting reduces operational downtime and improves infrastructure reliability. Faster issue resolution enhances business continuity and operational stability. Efficient maintenance supports scalable enterprise deployments.

ConnectX-6 Lx Architecture

The Nvidia Mellanox ConnectX-6 Lx architecture introduces advanced hardware acceleration technologies designed to improve networking efficiency while reducing CPU overhead. Intelligent packet processing, enhanced offload engines, and optimized data movement capabilities enable enterprise systems to achieve low latency communication and stable throughput under demanding workloads. The architecture supports modern cloud and virtualization infrastructures.

Low Latency Communication

The Nvidia ConnectX-6 Lx EN network adapter is optimized for low latency communication required by high-performance computing, financial services, AI processing, and real-time analytics applications. Low latency networking improves synchronization between distributed systems and accelerates workload execution across enterprise environments. Faster communication enhances operational responsiveness and application stability.

Improved Response Time

Enterprise applications requiring immediate data processing benefit from ultra-low latency communication that minimizes transmission delays between systems. Faster response times improve user experience and operational efficiency across distributed infrastructures. Reliable low latency networking enhances performance consistency during peak workloads. Stable communication supports business-critical environments.

Advanced RDMA Support

The ConnectX-6 Lx EN network adapter supports RDMA over Converged Ethernet technologies that allow direct memory access communication between systems with minimal CPU involvement. RDMA reduces networking overhead while improving throughput and latency performance for enterprise applications. This technology is highly beneficial for virtualization clusters, AI infrastructures, and high-speed storage environments.

Enhanced Storage Communication Performance

Storage infrastructures handling large amounts of data require efficient communication between storage devices and compute systems. RDMA accelerates read and write operations by reducing software processing overhead during data transfer. Faster storage communication improves application responsiveness and operational efficiency. High-speed storage networking supports enterprise productivity.

Cloud Computing Platforms

The ConnectX-6 Lx EN adapter includes advanced virtualization technologies that improve networking efficiency in virtualized and cloud computing environments. Features such as SR-IOV allow virtual machines to access networking hardware directly for improved throughput and reduced latency. Enhanced virtualization support increases scalability and operational flexibility for enterprise cloud infrastructures.

High Performance Virtual Machines

Single Root I/O Virtualization enables multiple virtual machines to share physical networking resources efficiently while maintaining strong isolation and consistent performance. Direct access to network hardware improves VM responsiveness and communication speed. This technology is critical for enterprise virtualization deployments handling high-density workloads. Efficient virtualization improves cloud infrastructure efficiency.

Enterprise Features For Data Protection

The Nvidia ConnectX-6 Lx EN network adapter includes advanced security technologies that help protect enterprise data during network communication and infrastructure operations. Secure firmware architecture, data integrity mechanisms, and hardware-level protection improve trustworthiness and minimize security risks in enterprise deployments. Strong security capabilities are essential for modern networking environments.

Secure Firmware Architecture

Secure firmware technologies protect the adapter against unauthorized modifications and malicious attacks that could compromise enterprise operations. Maintaining firmware integrity improves infrastructure reliability and operational trustworthiness. Hardware-level security mechanisms enhance overall data center protection. Secure networking supports mission-critical applications.

Accelerated GPU Cluster Communication Performance

AI environments rely on efficient communication between GPU systems to support parallel processing operations and large-scale model training. The advanced networking architecture of the ConnectX-6 Lx adapter minimizes communication delays and improves synchronization between nodes. Faster communication enhances AI processing efficiency. Reliable networking supports enterprise AI scalability.

Networking Design For Modern Data Centers

The ConnectX-6 Lx EN network adapter is engineered to provide high networking performance while maintaining energy-efficient operation within enterprise data centers. Advanced power management technologies help reduce electricity consumption and cooling requirements without compromising throughput or reliability. Energy efficiency improves sustainability and reduces operational expenses for large-scale deployments.

Lower Power Consumption For Enterprise Infrastructure

Efficient networking hardware reduces overall power usage and helps organizations lower operational costs associated with large data center environments. Reduced energy consumption contributes to improved sustainability initiatives and better thermal management across server infrastructures. Energy-efficient operation supports long-term enterprise scalability. Lower costs improve infrastructure profitability.

Enterprise Grade Reliability

The Nvidia ConnectX-6 Lx EN network adapter is built for continuous enterprise operation using durable hardware components, advanced firmware architecture, and stable networking technologies. Designed for cloud platforms, virtualization infrastructures, and enterprise data centers, the adapter delivers reliable long-term performance under demanding workloads. Enterprise-grade reliability ensures operational continuity and infrastructure stability.

Stable Performance During Intensive Network Traffic

Enterprise environments handling heavy network traffic require stable communication performance without interruptions or throughput degradation. The ConnectX-6 Lx EN adapter maintains consistent networking efficiency and low latency during demanding operational conditions. Reliable performance improves application availability and workload scalability. Stable communication supports mission-critical business systems.