MCX631432AS-ADAI Mellanox 2-port SFP28 OCP3.0 Network Ethernet Adapter

Mellanox MCX631432AS-ADAI 2-Port 10/25GbE Adapter Outline

The Mellanox MCX631432AS-ADAI is a high-performance OCP 3.0 Ethernet network adapter engineered to deliver reliable, low-latency, and high-bandwidth connectivity for modern enterprise data centers, cloud computing platforms, virtualization environments, and high-performance computing (HPC) infrastructures. Featuring dual SFP28 ports with support for both 10 Gigabit Ethernet and 25 Gigabit Ethernet connections, this advanced network interface card provides organizations with a scalable networking solution capable of meeting increasing bandwidth demands while maintaining exceptional efficiency and reliability.

Built with PCI Express 4.0 technology and an Open Compute Project (OCP) 3.0 form factor, the adapter integrates seamlessly into next-generation servers. It is designed to maximize throughput, reduce network bottlenecks, and accelerate data-intensive workloads, making it an ideal solution for cloud service providers, enterprise IT environments, storage networks, and software-defined infrastructures.

General Specifications

• Manufacturer: Mellanox
• Model: MCX631432AS-ADAI
• Product Category: Network Ethernet Adapter
• Form Factor: Plug-in Card

Technical Specifications

Interface Specifications

• Open Compute Project (OCP) 3.0
• PCI Express 4.0 Interface

Network Connectivity

• Dual SFP28 Ethernet Ports
• Supports 10 Gigabit Ethernet
• Supports 25 Gigabit Ethernet
• Gigabit Ethernet Compatible

Designed for Modern Data Center Networking

Key Product Information

• Form Factor: Plug-in Card
• Interface Type: Open Compute Project (OCP) 3.0
• PCI Express Revision: PCIe 4.0
• Network Ports: Dual SFP28
• Supported Speeds: 10GbE and 25GbE
• Supported Protocols: iSCSI, IPv4, IPv6

Benefits of Dual SFP28 Ports

• Supports both 10GbE and 25GbE networking
• Provides flexible network migration options
• Enables redundant network connections
• Improves overall bandwidth availability
• Supports optical and compatible SFP28 transceivers
• Enhances server communication performance

Advantages of OCP 3.0

• Optimized server integration
• Simplified hardware installation
• Efficient cooling and airflow
• Reduced cable congestion
• Improved infrastructure scalability
• Compatibility with modern server platforms

PCIe 4.0 Features

• Higher bandwidth between server and adapter
• Reduced communication latency
• Optimized performance for high-speed networking
• Improved scalability for future infrastructure growth
• Enhanced efficiency for demanding enterprise applications

Supported Network Standards

• Gigabit Ethernet (1GbE)
• 10 Gigabit Ethernet (10GbE)
• 25 Gigabit Ethernet (25GbE)

Ideal Deployment Environments

• Enterprise data centers
• Cloud computing platforms
• Virtual machine hosts
• Hyper-converged infrastructure
• High-performance computing clusters
• Software-defined networking
• Storage servers
• Database servers
• Artificial intelligence workloads
• Machine learning environments

Networking Advantages

• Higher network availability
• Reliable data transmission
• Scalable bandwidth
• Reduced network congestion
• Improved application responsiveness
• Stable enterprise connectivity

Business Benefits

• Supports long-term infrastructure planning
• Protects existing technology investments
• Simplifies future network upgrades
• Reduces deployment complexity
• Improves operational efficiency

Supported Network Protocols

• iSCSI
• IPv4
• IPv6

Applications

• Enterprise Networking
• Cloud Infrastructure
• Virtualization
• Data Center Networking
• High-Performance Computing
• Storage Networking
• Software-Defined Infrastructure
• Business-Critical Server Deployments

Mellanox MCX631432AS-ADAI SFP28 OCP3.0 Ethernet Adapter

The Mellanox MCX631432AS-ADAI 2-port SFP28 OCP3.0 Network Ethernet 10/25GbE Adapter is engineered to deliver reliable, low-latency, and high-bandwidth connectivity for enterprise servers, cloud platforms, virtualization environments, and software-defined data centers. Built on the advanced ConnectX-6 LX architecture, this network interface card offers exceptional networking efficiency while supporting demanding workloads that require consistent throughput and minimal packet processing delays. Its OCP 3.0 form factor allows seamless integration into compatible server platforms, making it an excellent solution for organizations seeking to optimize rack density, improve airflow, and maximize infrastructure performance.

Designed for next-generation networking, this Ethernet adapter supports both 10GbE and 25GbE network speeds through dual SFP28 ports, allowing IT administrators to deploy flexible network architectures that can evolve alongside growing business requirements. Whether deployed in virtualization clusters, cloud computing environments, enterprise storage networks, or high-performance computing infrastructures, the adapter delivers dependable connectivity while helping reduce operational bottlenecks.

ConnectX-6 LX Architecture for Advanced Ethernet Networking

The ConnectX-6 LX controller represents a significant advancement in Ethernet networking technology by integrating intelligent packet acceleration, hardware offloading capabilities, and enhanced traffic management features into a compact and power-efficient design. The Mellanox MCX631432AS-ADAI leverages these innovations to improve server utilization while minimizing CPU overhead during network-intensive operations.

Instead of relying entirely on host processor resources, the adapter performs numerous networking functions directly within the hardware. This architectural approach allows applications to maintain consistent performance even during periods of heavy network traffic, reducing latency while increasing overall system responsiveness. Organizations deploying modern enterprise applications benefit from improved scalability without requiring excessive server resources.

Optimized for Enterprise Server Deployments

Enterprise IT environments demand networking hardware capable of operating continuously under demanding workloads. The Mellanox MCX631432AS-ADAI is designed with reliability, stability, and long-term operational efficiency in mind. Its enterprise-grade components ensure dependable operation within mission-critical data centers where network availability directly impacts business continuity.

The OCP 3.0 specification simplifies installation within supported server platforms by providing standardized mechanical and electrical compatibility. This design enables organizations to deploy networking upgrades while maintaining clean cable management and efficient chassis airflow.

Dual SFP28 Ports for Flexible Network Expansion

The inclusion of two independent SFP28 interfaces provides flexible deployment options across a wide variety of networking environments. Each port supports both 10 Gigabit Ethernet and 25 Gigabit Ethernet operation, allowing organizations to deploy the adapter within existing infrastructure while maintaining a straightforward migration path toward higher-speed networking.

Dual-port connectivity enables redundant networking configurations, increased aggregate bandwidth, traffic isolation, and improved network availability. Administrators can dedicate individual ports to separate workloads, storage traffic, virtualization networks, or management interfaces depending on organizational requirements.

Support for Multiple Optical and Direct Attach Cable Options

The SFP28 interface supports numerous connectivity choices including short-range optical modules, long-range fiber transceivers, passive direct attach copper cables, and active optical cables. This flexibility enables businesses to select the most cost-effective cabling solution based on deployment distance, infrastructure design, and performance objectives.

Whether connecting top-of-rack switches, aggregation switches, storage arrays, or clustered servers, the adapter accommodates various networking topologies without compromising bandwidth or compatibility.

High-Speed Ethernet Connectivity

Support for both 10GbE and 25GbE enables organizations to maximize infrastructure investments by allowing gradual network upgrades. Existing 10 Gigabit deployments remain fully supported while new installations can immediately leverage 25 Gigabit performance for increased application throughput and future scalability.

OCP 3.0 Form Factor Advantages

The Open Compute Project OCP 3.0 standard has become increasingly popular among hyperscale cloud providers and enterprise server manufacturers due to its efficient mechanical design and optimized serviceability. The Mellanox MCX631432AS-ADAI fully complies with this specification, allowing straightforward deployment in compatible servers designed around OCP networking modules.

Compared to conventional PCI Express adapters, OCP 3.0 solutions contribute to improved airflow, simplified maintenance procedures, and more efficient server layouts. Data center operators benefit from streamlined hardware installation while reducing cable congestion and improving thermal management inside server chassis.

Improved Airflow and Thermal Efficiency

Thermal performance plays a critical role in maintaining server reliability within dense computing environments. The adapter's compact mechanical design contributes to optimized airflow patterns, helping maintain stable operating temperatures while supporting continuous workloads. Improved cooling efficiency can contribute to greater overall server stability and lower long-term operational costs.

Virtualization Performance Enhancement

Virtualized infrastructures place significant demands on network adapters because multiple virtual machines simultaneously compete for bandwidth and low-latency connectivity. The Mellanox MCX631432AS-ADAI incorporates hardware technologies specifically designed to accelerate virtual networking while reducing processor utilization.

Features such as virtual switching acceleration, hardware-based packet processing, and intelligent traffic management enable virtualization platforms to maintain predictable performance as virtual machine density increases. Enterprise hypervisors benefit from enhanced networking efficiency while supporting business-critical applications.

Support for Cloud Computing Environments

Modern cloud infrastructures require networking components capable of scaling rapidly without introducing performance bottlenecks. The adapter's advanced hardware acceleration features improve cloud networking efficiency by reducing software processing requirements while enabling faster communication between distributed workloads.

Private clouds, hybrid cloud deployments, and large-scale virtual infrastructures benefit from reliable packet delivery, lower latency, and improved resource utilization across compute nodes.

Efficient Network Offloading Technologies

Hardware acceleration significantly improves networking efficiency by transferring repetitive packet processing tasks away from the host CPU. The Mellanox MCX631432AS-ADAI incorporates multiple offloading technologies that improve throughput while reducing processor consumption during heavy network activity.

Checksum calculations, segmentation operations, receive-side scaling, packet classification, and other networking functions are handled directly by the adapter whenever possible. This allows server processors to dedicate additional resources to business applications, database processing, virtualization, analytics, and other compute-intensive workloads.

Reduced CPU Utilization

By minimizing software-based networking operations, the adapter helps reduce processor overhead across enterprise workloads. Servers experience improved application responsiveness while maintaining consistent network performance during peak utilization periods.

Consistent Low-Latency Communications

Latency-sensitive applications including financial services, telecommunications, storage networking, distributed databases, and high-performance computing environments benefit from the adapter's efficient packet forwarding capabilities. Lower latency contributes to faster application response times while improving end-user experiences.

Storage Networking Capabilities

High-performance storage environments increasingly depend upon fast Ethernet connectivity to deliver responsive access to centralized storage resources. The Mellanox MCX631432AS-ADAI supports storage networking applications requiring reliable throughput, predictable latency, and continuous availability.

Whether deployed alongside NAS appliances, distributed storage clusters, software-defined storage platforms, or enterprise backup solutions, the adapter helps accelerate data movement while maintaining dependable network communication between storage nodes and application servers.

Reliable Data Transfer for Business Applications

Organizations handling large datasets, media production workflows, virtualization storage traffic, analytics platforms, and enterprise databases require network adapters capable of sustaining high bandwidth under continuous operation. The adapter provides stable Ethernet connectivity that supports demanding storage environments without sacrificing reliability.

Scalability for Expanding Data Centers

Business growth frequently requires expanding compute resources, storage capacity, and networking infrastructure. The Mellanox MCX631432AS-ADAI provides the scalability necessary for organizations planning long-term infrastructure growth. Its support for both current and future Ethernet speeds enables IT departments to increase bandwidth without replacing networking hardware during every upgrade cycle.

Large enterprises, cloud providers, educational institutions, research organizations, and managed service providers benefit from networking hardware capable of adapting to changing workload demands while maintaining operational consistency.

Future-Ready Ethernet Infrastructure

As enterprise applications continue requiring higher bandwidth, lower latency, and improved network responsiveness, adapters supporting multiple Ethernet speeds provide valuable investment protection. The dual-port SFP28 architecture enables organizations to transition toward faster networking while preserving compatibility with existing infrastructure.

Compatibility with Enterprise Operating Systems

The Mellanox MCX631432AS-ADAI supports numerous enterprise operating systems and virtualization platforms commonly deployed throughout modern data centers. Broad software compatibility simplifies deployment across heterogeneous server environments while enabling centralized management through established administrative tools.

Organizations operating Linux servers, Microsoft Windows Server environments, virtualization platforms, cloud infrastructures, and containerized applications can integrate the adapter into existing deployments with minimal configuration complexity.

Simplified Infrastructure Management

Comprehensive driver support, firmware management utilities, diagnostic capabilities, and monitoring features enable IT administrators to efficiently maintain network infrastructure throughout the product lifecycle. Centralized administration reduces maintenance complexity while improving operational visibility across enterprise deployments.

Reliable Firmware and Driver Support

Regular firmware enhancements and enterprise software compatibility contribute to stable long-term operation. Administrators can deploy updates to maintain security, optimize performance, and improve interoperability with evolving networking standards and server platforms.

Ideal Deployment Scenarios

Enterprise Data Centers

The adapter is well suited for enterprise data centers supporting business applications, ERP platforms, database servers, virtualization clusters, and mission-critical workloads requiring dependable Ethernet connectivity and predictable performance.

Cloud Service Providers

Cloud operators benefit from efficient hardware acceleration, scalable networking performance, and standardized OCP 3.0 integration, enabling dense server deployments while maintaining excellent network efficiency across multi-tenant environments.

Software-Defined Infrastructure

Organizations implementing software-defined networking, software-defined storage, hyperconverged infrastructure, and container orchestration platforms can utilize the adapter to improve network responsiveness while supporting rapidly changing workloads.

High-Performance Computing Clusters

Scientific computing, engineering simulations, artificial intelligence, machine learning, and large-scale analytics environments require reliable low-latency Ethernet communication between compute nodes. The Mellanox MCX631432AS-ADAI provides the bandwidth and efficiency necessary to support these computationally intensive workloads.

Business Value of the Mellanox MCX631432AS-ADAI Adapter

The Mellanox MCX631432AS-ADAI 2-port SFP28 OCP3.0 Network Ethernet 10/25GbE Adapter delivers a combination of high-speed connectivity, enterprise-grade reliability, flexible deployment options, advanced hardware acceleration, and scalable Ethernet performance that aligns with the evolving requirements of modern IT infrastructure. Its ConnectX-6 LX architecture, dual-port SFP28 connectivity, OCP 3.0 compatibility, efficient packet processing capabilities, and broad platform support make it an ideal networking solution for organizations seeking dependable, future-ready Ethernet connectivity across enterprise servers, virtualization platforms, cloud environments, storage networks, and high-performance computing deployments.