900-9X414-0053-SN0 Nvidia 25GbE Dual Port SFP28 PCIe Network Interface Card

Overview of the 100GbE Network Interface Card

The NVIDIA 900-9X414-0053-SN0 25GbE Dual Port SFP28 PCIe Network Interface Card is a high-performance enterprise networking adapter engineered for modern data centers, cloud-scale infrastructures, and high-throughput computing environments. Built on advanced networking architecture from :contentReference[oaicite:0]{index=0}, this dual-port PCIe NIC delivers ultra-low latency, high bandwidth efficiency, and optimized packet processing for demanding workloads such as artificial intelligence training clusters, virtualization hosts, storage fabrics, and hyperscale server deployments.

General Specification

• Brand: Nvidia 
• Part Number: 900-9X414-0053-SN0
• Product Type: Network Interface Card

Technical Features of Adapter

• Legacy Mellanox OPN: MCX4421A-ACUN
• Controller IC: Mellanox ConnectX-4 Lx EN
• Form Factor: OCP Spec 2.0 (Type 1 Stacking Height, No Bracket)
• Host Interface: PCI Express 3.0 x8 (compatible with PCIe 2.0 and 1.1)
• Network Ports: 2 x SFP28 (supporting both optical transceivers and Direct Attach Copper cables)
• Data Rate: 10 / 25 Gb/s Ethernet per port
• Host Management: None (Unmanaged variant)
• Boot Environment: UEFI Enabled 

Performance Positioning

• Better cost efficiency than 100GbE deployments
• Higher performance than 10GbE systems
• Ideal for incremental infrastructure upgrades
• Balanced power and thermal profile

Compatibility

• Linux: Broad native kernel support in RHEL/CentOS, Ubuntu, Debian, Rocky Linux, and Fedora
• Windows Server: Supported via NVIDIA WinOF-2 drivers for Windows Server 2016, 2019, and 2022
• Hypervisors: Fully supported under VMware ESXi 6.7 through 8.0+ driver) and Proxmox VE / KVM

Nvidia 25GbE SFP28 PCIe Network Interface Card

Designed to support dual 25 Gigabit Ethernet (25GbE) connectivity via SFP28 interfaces, this network interface card bridges the gap between traditional 10GbE infrastructures and next-generation 100GbE backbones, providing an optimal balance of performance, scalability, and cost efficiency.

High-Speed Dual Port 25GbE Architecture

The dual-port configuration of the Nvidia 900-9X414-0053-SN0 enables simultaneous 25GbE links, allowing aggregated throughput of up to 50Gbps per adapter. This architecture is ideal for environments that require parallel traffic handling, redundancy, or link aggregation (LACP) configurations to improve resilience and performance.

Each SFP28 port supports hot-swappable transceiver modules, offering flexibility in fiber or DAC (Direct Attach Copper) deployments. This ensures compatibility across short-range intra-rack connections and long-distance fiber-optic links in enterprise campus or data center backbone networks.

PCIe Interface and System Integration

The Nvidia 900-9X414-0053-SN0 utilizes a high-speed PCI Express interface designed to maximize data transfer between the network adapter and host system memory. This ensures minimal bottlenecks even under sustained high-throughput workloads such as distributed computing or storage replication.

The PCIe architecture enables direct memory access (DMA), allowing network packets to bypass CPU overhead and significantly improving system efficiency. This is particularly beneficial in virtualized environments where CPU resources are shared across multiple workloads.

25GbE Networking Performance

25GbE networking is increasingly becoming the standard for modern data centers, replacing legacy 10GbE systems due to its superior bandwidth efficiency. The Nvidia 900-9X414-0053-SN0 NIC is optimized for high packet-per-second (PPS) performance, ensuring stable throughput even under mixed traffic loads.

This adapter is engineered to handle workloads such as AI data pipelines, high-frequency trading systems, large-scale virtualization clusters, and distributed storage systems. Its architecture ensures minimal jitter and consistent packet delivery, which is critical for latency-sensitive applications.

SFP28 Connectivity and Optical Flexibility

The SFP28 interface standard provides backward compatibility with SFP+ modules while enabling 25GbE speeds. This makes the Nvidia 900-9X414-0053-SN0 highly versatile in heterogeneous networking environments where mixed-speed deployments are common.

Administrators can choose from a wide range of optical transceivers or copper DAC cables depending on distance requirements, cost constraints, and infrastructure design.

Data Center and Cloud Computing

The Nvidia 900-9X414-0053-SN0 NIC is designed for modern data center architectures where scalability, redundancy, and low latency are essential. Cloud service providers and enterprise IT infrastructures rely on 25GbE adapters to support virtual machine density, containerized applications, and microservices architectures.

In cloud computing environments, this network interface card enhances east-west traffic flow between servers, reducing congestion and improving service response times. It is especially beneficial in distributed computing frameworks where data is constantly exchanged between nodes.

High-performance computing (HPC) and artificial intelligence workloads demand extremely fast data movement between compute nodes. The Nvidia 900-9X414-0053-SN0 is optimized for these environments, ensuring high throughput and low latency communication between GPU clusters and distributed compute nodes.

When used in AI training pipelines, the NIC helps reduce bottlenecks in dataset ingestion, enabling faster model training cycles and improved GPU utilization efficiency.

RDMA and RoCE Support for Low Latency Networking

Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE) is a critical feature in modern high-performance networks. The Nvidia 900-9X414-0053-SN0 supports RDMA capabilities, enabling direct memory-to-memory data transfers between systems without involving the CPU.

Virtualization and SR-IOV Capabilities

Single Root I/O Virtualization (SR-IOV) allows the Nvidia 900-9X414-0053-SN0 NIC to present multiple virtual functions (VFs) to hypervisors, enabling efficient sharing of network resources across virtual machines.

This improves network performance in virtualized environments by bypassing software-based switching layers and allowing direct hardware-level access to virtual machines.

Operating System and Driver Compatibility

The Nvidia 900-9X414-0053-SN0 is designed for broad compatibility across major enterprise operating systems. It supports Linux distributions commonly used in server environments, as well as Windows Server platforms for enterprise workloads.

Optimized drivers ensure stability, performance tuning, and advanced feature support such as RDMA, VLAN tagging, and jumbo frames.

Network Security and Data Integrity Features

Security is a critical component in enterprise networking, and the Nvidia 900-9X414-0053-SN0 incorporates multiple hardware-level security enhancements to ensure data integrity and secure transmission.

These features help protect against packet tampering, unauthorized access, and network-based attacks in multi-tenant environments.

Power Efficiency

Despite its high-performance capabilities, the Nvidia 900-9X414-0053-SN0 is engineered for energy efficiency, making it suitable for dense server deployments where power and cooling are critical considerations.

Advanced thermal management ensures stable operation under sustained load conditions, reducing the risk of throttling or overheating in rack-mounted environments.

High-Density Rack Environments

Modern data centers prioritize space optimization and scalability. This dual-port 25GbE NIC is designed for high-density rack servers, allowing multiple high-speed connections without excessive power or slot usage.

Its compact PCIe form factor ensures compatibility with a wide range of enterprise-grade servers, making it ideal for scalable infrastructure expansion.

Comparison with 10GbE and 100GbE Solutions

Compared to 10GbE adapters, the Nvidia 900-9X414-0053-SN0 offers a 2.5x increase in bandwidth, significantly improving throughput for modern workloads. While 100GbE solutions provide higher raw performance, 25GbE NICs strike a balance between cost efficiency and scalability.

This makes 25GbE an ideal intermediate upgrade path for organizations transitioning from legacy infrastructures to high-speed networking environments.

Network Optimization Best Practices

To maximize performance from the Nvidia 900-9X414-0053-SN0 NIC, proper configuration of network settings is essential. This includes enabling jumbo frames, optimizing interrupt moderation, and configuring RSS (Receive Side Scaling).

Storage Networking and High-Speed Data Transfer

In storage-intensive environments such as SAN and distributed file systems, the Nvidia 900-9X414-0053-SN0 enables rapid data replication and retrieval. Its low latency and high throughput capabilities reduce bottlenecks in storage access layers.

This makes it particularly effective for backup systems, object storage clusters, and real-time analytics platforms where data consistency and speed are critical.

Scalability for Future Network Expansion

As enterprise workloads continue to grow, scalable networking infrastructure is essential. The Nvidia 900-9X414-0053-SN0 supports seamless integration into larger 100GbE or multi-25GbE fabrics, ensuring long-term investment protection.

Its flexibility allows organizations to gradually scale without requiring full infrastructure replacement, making it a strategic choice for evolving IT environments.