900-9X661-0053-SQ0 Nvidia Connectx-6 SFP28 25GBE 2-Port Adapter Card

Highlights of NVIDIA 900-9X661-0053-SQ0 ConnectX-6 Adapter

The NVIDIA ConnectX-6 Dx EN 25GbE network adapter is a powerful enterprise-grade networking solution designed for high-speed data center environments, cloud infrastructure, virtualization platforms, and storage networking. Featuring dual-port SFP28 connectivity and PCIe Gen4 x8 architecture, this advanced Ethernet adapter delivers ultra-low latency, enhanced throughput, and optimized server communication for demanding workloads.

General Information

• Manufacturer: NVIDIA
• Part Number: 900-9X661-0053-SQ0
• Product Type: Network Adapter
• Series: ConnectX-6 Dx EN

Technical Specifications

• Interface: 25GBE SFP28
• Adapter Size: 4.89 Inch x 2.71 Inch (124.22mm x 68.90mm)
• Connectivity Type: Dual-Port Ethernet Adapter
• Connector Type: Dual SFP28 Ethernet
• Supported Media: Copper And Optical
• Crypto Support: Disabled
• Secure Boot: Disabled

Protocol And Data Rate Support

• Supported Data Rates: 1GbE, 10GbE, 25GbE
• Ethernet Standards: 25GBASE-R, 20GBASE-KR2, 10GBASE-LR, 10GBASE-ER, 10GBASE-CX4, 10GBASE-CR, 10GBASE-KR, SGMII, 1000BASE-CX, 1000BASE-KX, 10GBASE-SR
• PCI Express Support: PCIe Gen3 And Gen4
• PCIe Transfer Speed: 16.0 GT/s
• Lane Configuration: 8 Lanes
• Backward Compatibility: PCIe 2.0 And PCIe 1.1 Compatible

Power and Airflow Specifications

Voltage and Current

• Voltage: 3.3VAUX
• Maximum Current: 100mA

Typical Power Consumption

• PCIe Gen3 With Passive Cables: 10.88W
• PCIe Gen4 With Passive Cables: 11.29W

Maximum Power Usage

• PCIe Gen3 Maximum Power: 15.55W
• PCIe Gen4 Maximum Power: 15.96W

Environmental Specifications

Operating Temperature

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

Humidity Levels

• Operational Humidity: 10% To 85% Relative Humidity
• Storage Humidity: 10% To 90% Relative Humidity

Compliance and Certification

Environmental Compliance

• RoHS Compliance: Yes

The Nvidia 900-9X661-0053-SQ0 25GBE 2-Port SFP28 Adapter

The Nvidia 900-9X661-0053-SQ0 ConnectX-6 Dx EN 25GbE Dual-Port SFP28 PCIe 4.0 x8 Adapter Card is engineered for enterprise networking environments that demand advanced Ethernet performance, low latency communication, scalable virtualization, and high throughput data processing. Designed with Mellanox ConnectX-6 Dx architecture, this enterprise-class network adapter provides reliable dual-port 25GbE connectivity for cloud computing infrastructures, AI environments, software-defined storage, virtualization clusters, and hyperscale data centers.

25GBE Enterprise Ethernet Connectivity

The ConnectX-6 Dx EN adapter delivers advanced 25 Gigabit Ethernet connectivity optimized for enterprise-grade networking environments requiring stable high-speed communication between servers, storage systems, and cloud platforms. Compared to legacy networking technologies, 25GbE connectivity significantly improves bandwidth efficiency and minimizes communication bottlenecks during intensive workloads. This networking solution supports virtualization, analytics, distributed computing, and modern enterprise applications with reliable performance and improved responsiveness. High-speed communication enhances overall infrastructure productivity.

Improved Data Intensive Applications

Enterprise workloads involving large-scale data transfer require stable throughput and consistent communication performance for uninterrupted operations. The ConnectX-6 Dx architecture optimizes packet handling and bandwidth utilization across demanding infrastructures. Improved throughput reduces processing delays and accelerates enterprise application responsiveness during continuous operations. Efficient communication enhances scalability and operational reliability.

Reduced Network Congestion

Modern enterprise data centers often handle heavy traffic across multiple systems simultaneously, creating potential communication bottlenecks. The advanced 25GbE networking architecture minimizes congestion and improves packet transmission efficiency during peak workloads. Reduced network delays improve infrastructure responsiveness and application stability. Reliable communication supports mission-critical business operations.

Dual-Port SFP28 Architecture

The dual-port SFP28 configuration provides enterprise organizations with flexible networking capabilities for redundancy, load balancing, failover protection, and scalable connectivity across server infrastructures. This architecture enables optimized traffic distribution while maintaining high availability in cloud environments, virtualization clusters, and software-defined storage deployments. Flexible network configuration enhances operational scalability and infrastructure reliability.

Enterprise Business Continuity

Enterprise infrastructures require continuous network connectivity to ensure operational stability and uninterrupted service delivery. The dual-port architecture supports failover capabilities that maintain communication in the event of cable or network hardware failure. Improved redundancy minimizes downtime risks and enhances infrastructure resilience for mission-critical environments. Reliable connectivity supports long-term operational continuity.

Balanced Traffic Distribution Across Multiple Connections

Efficient load balancing improves bandwidth utilization and reduces network congestion during heavy operational workloads. The dual-port design allows traffic to be distributed across multiple network links for optimized throughput and consistent communication performance. Balanced traffic flow enhances infrastructure scalability and application responsiveness. Enterprise environments benefit from stable networking efficiency.

PCIe Gen4 x8 Interface

The PCI Express Gen4 x8 interface enables high-speed communication between the ConnectX-6 Dx EN adapter and enterprise server platforms. PCIe Gen4 technology delivers significantly higher bandwidth compared to previous generations, improving packet processing efficiency and reducing communication latency during intensive networking operations. This architecture ensures optimal utilization of dual 25GbE connectivity within modern data center environments.

Accelerated Internal Communication Systems

Fast communication between networking hardware, processors, and memory systems is essential for modern workloads requiring rapid data exchange. The PCIe Gen4 interface improves internal communication efficiency and minimizes delays during networking operations. Faster data transfer enhances application performance and infrastructure scalability. Efficient communication pathways support enterprise productivity.

ConnectX-6 Dx Architecture

The Nvidia Mellanox ConnectX-6 Dx architecture introduces advanced hardware acceleration technologies that improve networking performance while minimizing CPU overhead. Intelligent packet processing, advanced offloading, and enhanced data movement capabilities allow enterprise systems to maintain low latency communication and stable throughput under intensive workloads. The architecture is optimized for cloud computing, AI processing, and virtualization infrastructures.

Advanced Reduced CPU Utilization

Hardware acceleration enables the adapter to process networking operations directly without relying entirely on host processors. Reduced CPU overhead allows enterprise servers to allocate more resources toward virtualization, analytics, and application processing workloads. Efficient hardware offloading improves operational scalability and infrastructure performance. Lower processor usage contributes to improved energy efficiency.

Low Latency Networking

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

Faster Response Time

Applications requiring immediate data processing depend on low latency communication for optimal operational performance. The ConnectX-6 Dx architecture minimizes transmission delays and improves responsiveness during high-speed networking operations. Faster response times enhance user experience and workload accuracy across distributed environments. Stable communication supports enterprise continuity.

Synchronization Across Distributed Infrastructure

Distributed systems require synchronized communication between servers, storage systems, and compute nodes to maintain efficient workload processing. The advanced networking architecture ensures stable synchronization and consistent communication performance during demanding enterprise operations. Improved synchronization enhances scalability and operational accuracy. Reliable networking supports cloud and virtualization platforms.

Cloud Computing Environments

The ConnectX-6 Dx EN adapter includes advanced virtualization technologies designed to improve networking efficiency within cloud computing and virtualized infrastructures. Features such as SR-IOV enable direct network hardware access for virtual machines, reducing latency and improving throughput consistency across multiple workloads. Enhanced virtualization support increases scalability and operational flexibility for enterprise deployments.

SR-IOV Technology

Single Root I/O Virtualization enables multiple virtual machines to efficiently share physical networking resources while maintaining secure isolation and consistent performance. Direct hardware access improves virtual machine responsiveness and communication efficiency during intensive workloads. This capability is essential for enterprise virtualization environments requiring scalable networking performance. Improved virtualization enhances cloud infrastructure productivity.

Accelerated Data Movement

The Nvidia ConnectX-6 Dx EN network adapter supports RDMA over Converged Ethernet technology that enables direct memory access communication between systems with minimal processor involvement. RDMA significantly improves throughput while reducing latency and CPU overhead during data transfer operations. This capability is ideal for virtualization clusters, AI workloads, storage networking, and high-performance computing environments.

Enhanced Storage Communication

Modern storage environments require efficient communication between storage devices and compute systems to maintain responsive application performance. RDMA technology accelerates read and write operations by reducing communication overhead during data movement. Faster storage networking improves operational productivity and application responsiveness. Enterprise infrastructures benefit from accelerated data access performance.

Reliable Infrastructure Protection

The ConnectX-6 Dx EN adapter includes advanced enterprise security technologies designed to protect sensitive data and maintain secure communication across high-speed networks. Secure firmware architecture, data integrity mechanisms, and hardware-level protection improve infrastructure trustworthiness while minimizing security risks within enterprise environments. Reliable security capabilities are essential for modern business operations.

Secure Firmware Design

Secure firmware architecture helps protect enterprise networking environments against unauthorized modifications and malicious attacks targeting hardware infrastructure. Maintaining firmware integrity improves operational stability and enhances overall infrastructure reliability. Hardware-level security mechanisms support trusted enterprise deployments. Secure networking contributes to business continuity and data protection.

Cloud Hyperscale Infrastructure

The ConnectX-6 Dx EN adapter is optimized for hyperscale cloud computing infrastructures that demand scalable networking, low latency communication, and efficient virtualization support. The advanced architecture enables cloud providers and enterprise organizations to maintain reliable connectivity across distributed computing environments while improving infrastructure utilization and workload responsiveness.

Improved Scalability

Cloud environments require networking hardware capable of supporting continuous infrastructure growth without compromising communication performance. The ConnectX-6 Dx architecture improves scalability by maintaining stable throughput and low latency across expanding workloads. Enhanced scalability supports efficient cloud platform management and resource utilization. Reliable networking enables future infrastructure growth.

Machine Learning Infrastructure Acceleration

Artificial intelligence and machine learning workloads require ultra-fast communication between compute nodes, GPUs, and storage systems for efficient distributed processing. The ConnectX-6 Dx EN adapter delivers the bandwidth and low latency necessary for large-scale AI training and analytics environments. Faster networking improves synchronization and accelerates workload execution across enterprise AI infrastructures.

Accelerated GPU Communication

GPU clusters rely on high-speed networking to support parallel computing operations and distributed AI model training. The ConnectX-6 Dx architecture minimizes communication delays and improves synchronization between GPU systems during intensive workloads. Faster communication enhances processing efficiency and reduces training bottlenecks. Enterprise AI platforms benefit from stable networking performance.

Enterprise Data Centers

The Nvidia ConnectX-6 Dx EN network adapter is engineered for high-performance networking while maintaining energy-efficient operation across enterprise infrastructures. Advanced power management technologies reduce electricity consumption and thermal output without compromising communication speed or reliability. Energy-efficient networking improves sustainability and lowers operational expenses within large-scale data center deployments.

Reduced Power Consumption During Continuous Operation

Efficient networking hardware helps organizations reduce electricity usage and cooling requirements within high-density server environments. Lower power consumption improves operational efficiency and supports environmentally responsible infrastructure management. Energy-efficient operation contributes to long-term cost savings for enterprise data centers. Reduced energy usage enhances infrastructure sustainability.

Enterprise Grade Reliability

The Nvidia ConnectX-6 Dx EN adapter is built using enterprise-grade components and advanced firmware technologies designed for continuous operation in demanding data center environments. Reliable networking performance, durable hardware architecture, and optimized communication efficiency make this adapter suitable for mission-critical enterprise infrastructures requiring stable high-speed connectivity and long-term operational reliability.

Stable Networking Performance Under Heavy Workloads

Enterprise environments often experience intensive traffic loads requiring networking hardware capable of maintaining consistent throughput and low latency without interruptions. The ConnectX-6 Dx adapter delivers stable communication performance during demanding operational conditions. Reliable networking improves application availability and infrastructure efficiency. Stable operation supports business-critical services.