900-9X624-0083-SB0 Nvidia Connectx-6 25GBE OCP3.0 2 Port SFP28 PCIE4.0 Adapter Card

Nvidia Connectx-6 25GBE Adapter Card

The Nvidia 900-9X624-0083-SB0 ConnectX-6 25GBE OCP3.0 Dual-Port SFP28 PCIe 4.0 Adapter Card is designed to deliver ultra-fast connectivity, optimized bandwidth, and reliable networking for enterprise-grade servers and data centers.

Main Information

• Brand Name: Nvidia
• Model Number: 900-9X624-0083-SB0
• Category: High-performance Network Adapter Card

Technical Specifications

Host Interface

• PCI Express 4.0 x16 bus interface
• Backward compatibility with earlier PCIe versions

Port Configuration

• Total Ports: 2
• Dual SFP28 expansion slots for enhanced connectivity

Supported Media

• Optical fiber technology for superior transmission
• Ideal for high-speed data transfer and low latency

Network Technology

• 25GBASE-X standard support
• Optimized for next-generation Ethernet solutions

Form Factor

• Plug-in card design for easy installation
• Compact structure suitable for server integration

Device Compatibility

• Designed for enterprise servers
• Supports advanced workloads and virtualization

Package Contents

• Nvidia ConnectX-6 Dx 25 Gigabit Ethernet Adapter Card
• Thumbscrew (pull-tab) brackets for secure installation

Nvidia ConnectX-6 DX 25GBE OCP 3.0 Adapter Cards Overview

The NVIDIA 900-9X624-0083-SB0 ConnectX-6 DX EN 25GbE OCP 3.0 adapter card category represents a new generation of intelligent network interface solutions designed to meet the demands of modern data centers, cloud infrastructures, enterprise servers, and edge computing environments. These adapter cards combine ultra-low latency, high throughput, hardware acceleration, and enhanced security features to deliver optimized Ethernet connectivity for compute-intensive workloads. Built on PCIe 4.0 x16 architecture and integrated within the OCP 3.0 form factor, this category is engineered for high-density server deployments where performance, scalability, and reliability are critical.

Designed to support dual-port SFP28 connectivity at 25GbE speeds, these adapter cards enable seamless integration into modern network fabrics, supporting virtualization, containerized applications, artificial intelligence workloads, and high-performance computing environments. With host management capabilities built directly into the hardware, administrators gain improved visibility, monitoring, and control over networking resources.

OCP 3.0 Form Factor for Next-Generation Data Centers

The Open Compute Project 3.0 form factor defines a standardized approach to network adapter design that promotes better airflow, higher component density, and simplified cable management. NVIDIA ConnectX-6 DX OCP 3.0 adapter cards leverage this design philosophy to ensure optimal thermal performance while enabling high-speed data transfer within compact server chassis.

This category is particularly well-suited for hyperscale data centers and enterprise server platforms that prioritize energy efficiency and scalability. The thumbscrew bracket mechanism allows for secure mounting while simplifying installation and maintenance processes.

Enhanced Mechanical Design and Server Integration

The thumbscrew bracket ensures a secure physical connection while allowing quick installation or replacement without specialized tools. This mechanical design supports rapid serviceability in large-scale deployments, reducing downtime and improving operational efficiency. The compact footprint and standardized alignment enable seamless integration into OCP-compliant server architectures.

Thermal Optimization for High-Density Environments

Thermal efficiency is a critical factor in modern server rooms. These adapter cards are engineered with optimized airflow paths that reduce heat buildup and maintain stable performance under heavy workloads. This design supports sustained 25GbE data throughput even in environments with tightly packed hardware configurations.

Dual-Port 25GbE SFP28 Connectivity

The dual-port SFP28 interfaces deliver up to 25 Gigabits per second per port, enabling aggregate bandwidth of 50GbE per adapter. This capability supports data-intensive applications such as big data analytics, real-time transaction processing, and cloud-native microservices that require fast and reliable network communication.

The use of SFP28 transceivers allows flexible deployment across various network infrastructures, including fiber optic and direct attach copper configurations. This versatility ensures compatibility with existing network investments while enabling smooth transitions to higher-speed architectures.

Low Latency Data Transmission for Performance-Critical Workloads

ConnectX-6 DX Ethernet adapter cards are optimized for ultra-low latency performance, ensuring minimal packet processing delays. This feature is essential for financial trading platforms, real-time analytics engines, and distributed storage systems where microsecond-level response times directly impact application efficiency.

The hardware acceleration engine offloads networking tasks from the CPU, freeing system resources and improving overall server performance.

Advanced Offload Capabilities

These adapter cards support offloading for TCP/IP processing, RDMA over Converged Ethernet, virtualization switching, and encryption operations. By handling these processes in hardware, servers can achieve higher throughput while reducing CPU overhead.

Support for Modern Network Protocols

Compatibility with advanced Ethernet protocols ensures interoperability with next-generation network fabrics. These adapter cards are optimized for cloud-scale deployments, supporting software-defined networking and network function virtualization.

PCIe 4.0 x16 Interface for Maximum Throughput

The PCIe 4.0 x16 interface provides double the bandwidth of PCIe 3.0, enabling the adapter card to fully utilize its 25GbE dual-port capabilities. This high-speed interface ensures that data flows smoothly between the network and system memory, reducing bottlenecks and improving overall application responsiveness.

This category is ideal for high-performance computing clusters, AI training environments, and storage systems where massive data transfer rates are required.

Future-Proof Architecture

With PCIe 4.0 support, these adapter cards are designed to accommodate future bandwidth demands. As network speeds continue to increase, the interface ensures long-term compatibility with evolving server technologies.

Optimized Data Path Design

The internal architecture minimizes latency and maximizes throughput by optimizing packet processing pipelines. This results in consistent performance under heavy network loads.

Reduced System Overhead

Efficient data handling reduces CPU cycles dedicated to networking operations, allowing servers to allocate more resources to application processing.

Integrated Host Management Capabilities

One of the defining features of the NVIDIA ConnectX-6 DX category is its built-in host management functionality. This capability allows administrators to monitor network performance, manage firmware updates, and configure settings directly through management interfaces.

Host management improves visibility into network operations, enabling proactive maintenance and rapid troubleshooting.

Security Acceleration for Modern Network Threats

Security is a critical concern in today’s interconnected environments. The ConnectX-6 DX category integrates hardware-based security features that accelerate encryption and decryption processes while protecting data in transit.

These adapter cards support secure boot, trusted firmware, and inline cryptographic acceleration to safeguard sensitive information.

Hardware-Based Encryption Offload

By handling encryption tasks directly in the adapter, these cards reduce CPU load and ensure secure high-speed data transfers without performance degradation.

Virtualization and Cloud Optimization

The NVIDIA ConnectX-6 DX Ethernet adapter card category is engineered for virtualized and cloud-native environments. It supports advanced virtualization features that enable efficient resource sharing among multiple virtual machines and containers.

This makes it an ideal solution for private clouds, public cloud providers, and hybrid infrastructure deployments.

SR-IOV and Virtual Switching

Single Root I/O Virtualization allows multiple virtual machines to directly access network resources, reducing latency and improving performance. Hardware-based virtual switching further enhances efficiency by handling packet forwarding within the adapter.

Container Networking Acceleration

Optimized support for containerized workloads ensures fast and reliable communication between microservices in modern application architectures.

Scalable Network Resource Allocation

Dynamic resource management enables administrators to allocate bandwidth and performance levels based on workload requirements.

Enterprise and Hyperscale Use Cases

This category of adapter cards is suitable for a wide range of applications across enterprise IT, hyperscale data centers, telecommunications, and research environments. The combination of high-speed connectivity, hardware acceleration, and security features makes it a versatile networking solution.

High-Performance Computing Clusters

In HPC environments, low latency and high bandwidth are essential for inter-node communication. These adapter cards provide the performance required for parallel computing workloads.

Artificial Intelligence and Machine Learning

AI training and inference systems rely on fast data movement between GPUs, storage, and compute nodes. The ConnectX-6 DX category supports these requirements with efficient networking.

Data-Intensive Analytics Platforms

Big data frameworks benefit from high-throughput Ethernet connections that reduce processing times and improve overall system efficiency.