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

Mellanox MCX631432AS-ADAI 2-Port SFP28 Adapter Overview

The Mellanox MCX631432AS-ADAI is a high-performance Ethernet network adapter engineered to deliver exceptional bandwidth, low latency, and enterprise-grade reliability for modern data center environments. Designed with dual SFP28 ports, this OCP 3.0 network interface card supports both 10GbE and 25GbE connectivity, making it an excellent choice for cloud infrastructure, virtualization, enterprise networking, software-defined storage, and high-performance computing (HPC). Built on PCI Express 4.0 technology, this adapter maximizes throughput while ensuring seamless compatibility with next-generation servers and Open Compute Project (OCP) platforms.

Organizations looking to improve network efficiency, reduce bottlenecks, and increase server performance can rely on the MCX631432AS-ADAI to provide scalable Ethernet connectivity. Its advanced architecture supports multiple networking protocols and delivers consistent performance for demanding workloads across private, public, and hybrid cloud environments.

General Information of Mellanox MCX631432AS-ADAI

• Manufacturer: Mellanox
• Part Number: MCX631432AS-ADAI
• Product Type: Network Ethernet Adapter

Key Features of the Mellanox MCX631432AS-ADAI

• Plug-in card form factor
• Open Compute Project (OCP) 3.0 interface
• PCI Express 4.0 support
• Dual SFP28 ports
• Supports 10GbE and 25GbE networking
• Compatible with Gigabit Ethernet, 10 Gigabit Ethernet, and 25 Gigabit LAN
• Supports iSCSI, IPv4, and IPv6 protocols
• Built for enterprise, cloud, and virtualization environments
• High-bandwidth, low-latency network performance

High-Speed Dual-Port 10/25GbE Connectivity

• Dual SFP28 Ethernet interfaces
• Supports both 10GbE and 25GbE network speeds
• Ideal for high-density server deployments
• Optimized for modern enterprise networking
• Excellent scalability for expanding data centers

Optimized for Enterprise Data Centers

• Enterprise server environments
• Cloud service providers
• Virtual machine infrastructures
• Software-defined networking (SDN)
• Hyper-converged infrastructure (HCI)
• Private and hybrid cloud deployments

Supported Data Link Protocols

• Gigabit Ethernet (GigE)
• 10 Gigabit Ethernet (10 GigE)
• 25 Gigabit Ethernet LAN

Supported Network Protocols

• iSCSI storage networking
• IPv4 networking
• IPv6 networking

Ideal Deployment Scenarios

• Enterprise data centers
• Cloud computing platforms
• Virtualization servers
• AI and machine learning clusters
• High-performance computing environments
• Storage servers
• Database infrastructure
• Content delivery systems

Benefits of the OCP 3.0 Architecture

• Improved airflow inside servers
• Simplified maintenance and upgrades
• Enhanced hardware scalability
• Optimized rack density
• Reduced infrastructure complexity

Mellanox MCX631432AS-ADAI 2-Port OCP3.0 10/25GbE Adapter

The Mellanox MCX631432AS-ADAI 2-port SFP28 OCP3.0 Network Ethernet 10/25GbE Adapter is engineered to support the evolving connectivity demands of enterprise servers, cloud environments, virtualization platforms, and high-performance computing infrastructures. Built on the advanced ConnectX-6 LX architecture, this OCP 3.0 network adapter delivers exceptional bandwidth, outstanding reliability, and intelligent hardware acceleration that enables organizations to maximize server efficiency while reducing CPU utilization. Designed specifically for modern Open Compute Project (OCP) compliant servers, this Ethernet adapter provides seamless integration with next-generation data center hardware while delivering scalable network performance for demanding workloads.

Organizations deploying virtual machines, containerized applications, software-defined networking, distributed storage, artificial intelligence workloads, and enterprise databases require a network interface capable of maintaining consistent throughput with minimal latency. The Mellanox MCX631432AS-ADAI adapter fulfills these requirements through dual SFP28 interfaces supporting both 10GbE and 25GbE Ethernet connectivity, enabling businesses to migrate infrastructure without replacing existing optical or copper networking investments.

Advanced ConnectX-6 LX Architecture

High-Efficiency Network Controller Design

The ConnectX-6 LX controller integrated within the Mellanox MCX631432AS-ADAI adapter introduces advanced networking intelligence that significantly improves data transmission efficiency across enterprise infrastructures. This architecture incorporates multiple hardware acceleration technologies that reduce software overhead while increasing packet processing capabilities. By handling network-intensive operations directly within the adapter, server processors remain available for business applications, virtualization services, and mission-critical computing tasks.

The optimized controller architecture is suitable for hyperscale deployments, enterprise data centers, edge computing installations, telecommunications infrastructure, and private cloud platforms. It supports consistent packet delivery across high-volume network environments where reliability and predictable latency remain essential operational requirements.

Intelligent Hardware Offloading

Modern enterprise applications generate millions of packets every second. Rather than relying exclusively on host CPU resources, the Mellanox MCX631432AS-ADAI adapter performs numerous networking operations through dedicated hardware acceleration. This approach minimizes CPU cycles consumed by networking functions, resulting in improved server responsiveness, lower latency, and greater application scalability.

Hardware offloading technologies improve virtualization density while supporting demanding workloads such as storage replication, live migration, database synchronization, analytics, cloud-native applications, and distributed computing clusters.

Dual SFP28 Connectivity for Flexible Network Deployment

Support for 10GbE and 25GbE Ethernet Networks

The dual-port SFP28 configuration enables organizations to implement flexible networking architectures using either 10 Gigabit Ethernet or 25 Gigabit Ethernet connectivity. This flexibility allows enterprises to maintain compatibility with existing infrastructure while gradually transitioning toward higher-speed networking environments.

Because many enterprise data centers operate mixed-speed infrastructures, the ability to support multiple Ethernet standards simplifies migration planning and protects networking investments. Businesses can deploy the adapter within existing 10GbE environments and later upgrade to 25GbE without replacing the network interface card.

Broad Optical and Copper Compatibility

SFP28 interfaces support a wide variety of optical transceivers, Direct Attach Copper (DAC) cables, and Active Optical Cables (AOC), enabling deployment across diverse networking environments. This compatibility provides organizations with significant flexibility when designing short-distance rack connections, medium-range aggregation networks, or long-distance fiber backbone deployments.

The modular interface architecture also simplifies future infrastructure upgrades by allowing transceiver replacement instead of complete adapter replacement whenever network requirements evolve.

OCP 3.0 Form Factor for Next-Generation Server Platforms

Purpose-Built for Open Compute Servers

The Mellanox MCX631432AS-ADAI adapter utilizes the OCP 3.0 specification, allowing efficient integration into servers designed according to Open Compute Project standards. OCP 3.0 adapters improve airflow management, optimize server space utilization, and streamline maintenance compared to traditional PCI Express expansion cards.

As enterprise data centers increasingly adopt OCP-compliant hardware, dedicated OCP networking adapters become essential for maximizing hardware efficiency while simplifying deployment across standardized server platforms.

Improved Thermal Characteristics

Efficient thermal management remains critical within high-density server environments. The OCP 3.0 mechanical design contributes to optimized airflow across networking components, helping maintain stable operating temperatures during continuous heavy workloads. Better cooling characteristics contribute to improved hardware longevity, consistent network performance, and enhanced system reliability.

High-Speed Ethernet Performance for Data-Intensive Applications

Optimized Bandwidth Utilization

Applications involving virtualization, distributed storage, cloud orchestration, machine learning, scientific computing, media production, and enterprise databases require uninterrupted high-speed communication between servers and storage systems. The Mellanox MCX631432AS-ADAI adapter delivers substantial bandwidth that supports these demanding workloads while minimizing congestion across modern Ethernet infrastructures.

High-performance packet forwarding enables rapid movement of application data between servers, storage arrays, and network switches, reducing communication delays and improving overall application responsiveness.

Low-Latency Network Communication

Latency directly impacts user experience and application performance across enterprise environments. By combining efficient packet processing with intelligent hardware acceleration, the adapter minimizes transmission delays while maintaining predictable communication between distributed computing resources.

Lower latency benefits financial applications, virtualization clusters, software-defined storage, cloud-native microservices, AI model training, and real-time analytics platforms where rapid response times are essential.

Virtualization Optimization for Enterprise Servers

Enhanced Virtual Machine Networking

Virtualized infrastructures require network adapters capable of supporting numerous virtual machines operating simultaneously on a single physical server. The Mellanox MCX631432AS-ADAI adapter provides virtualization acceleration technologies that improve network isolation, resource allocation, and traffic management while reducing processor overhead.

These capabilities enable higher virtual machine density without compromising networking performance, making the adapter suitable for VMware, Microsoft Hyper-V, KVM, OpenStack, and other virtualization platforms deployed throughout enterprise data centers.

Container and Kubernetes Support

Containerized applications continue transforming enterprise software deployment strategies. The adapter efficiently supports Kubernetes clusters, Docker environments, and cloud-native infrastructure by providing reliable network connectivity capable of handling dynamic workloads with consistent throughput and minimal latency.

Organizations implementing microservices architectures benefit from dependable communication between application containers distributed across multiple physical servers.

Cloud Infrastructure and Hyperscale Deployments

Scalable Cloud Networking

Private clouds, hybrid cloud environments, and hyperscale platforms require network adapters capable of sustaining continuous traffic generated by thousands of users and applications. The Mellanox MCX631432AS-ADAI adapter delivers scalable Ethernet connectivity that supports cloud orchestration, automated provisioning, virtual networking, and distributed storage environments.

Its efficient architecture allows cloud operators to maximize infrastructure utilization while maintaining excellent application performance across compute, networking, and storage resources.

Multi-Tenant Network Efficiency

Cloud providers frequently support multiple tenants sharing common hardware resources. The adapter assists in maintaining predictable network performance while supporting traffic isolation, virtualization acceleration, and secure communication between independent workloads.

Storage Networking Performance

Support for Modern Storage Architectures

Enterprise storage solutions increasingly rely on Ethernet connectivity for high-speed communication between servers and storage arrays. The Mellanox MCX631432AS-ADAI adapter provides dependable bandwidth suitable for software-defined storage platforms, distributed file systems, hyper-converged infrastructure, backup repositories, and enterprise storage clusters.

Rapid data movement between storage nodes improves backup operations, disaster recovery procedures, database replication, and large-scale data synchronization while maintaining consistent throughput.

Efficient Data Replication

Organizations implementing business continuity strategies require rapid replication of mission-critical information between servers and storage devices. The adapter supports reliable high-speed Ethernet communication that accelerates replication processes while minimizing synchronization delays across geographically distributed infrastructures.

Security and Network Reliability

Enterprise-Class Data Protection

Network security remains a critical requirement across modern enterprise environments. The Mellanox MCX631432AS-ADAI adapter incorporates hardware capabilities designed to strengthen data integrity while supporting secure communication between connected systems. Hardware-assisted processing enhances networking efficiency without sacrificing reliability or operational consistency.

The adapter's dependable architecture supports organizations operating within regulated industries where network stability, predictable availability, and continuous uptime are mandatory business requirements.

Consistent Availability

Continuous business operations require network adapters capable of operating reliably under sustained workloads. Designed for enterprise deployment, this adapter supports long-term operational stability in environments where servers remain active around the clock while processing demanding business applications.

Compatibility Across Enterprise Operating Systems

Broad Platform Support

The Mellanox MCX631432AS-ADAI adapter supports deployment across numerous enterprise operating systems commonly used within data centers. Organizations can integrate the adapter into Linux distributions, Microsoft Windows Server environments, virtualization hypervisors, and enterprise networking platforms while maintaining consistent performance characteristics.

This extensive compatibility simplifies infrastructure standardization and enables organizations to deploy identical networking hardware across multiple operating system environments without increasing administrative complexity.

Simplified Driver Integration

Comprehensive software support enables straightforward installation, configuration, and ongoing management. Administrators can integrate the adapter into existing enterprise management workflows while utilizing monitoring tools to supervise network health, bandwidth utilization, and operational performance.

Ideal Deployment Scenarios

Enterprise Data Centers

The Mellanox MCX631432AS-ADAI adapter is particularly well suited for enterprise data centers requiring reliable Ethernet connectivity between compute nodes, storage systems, virtualization clusters, and core network infrastructure. Its dual-port design enables network redundancy, traffic separation, or increased aggregate bandwidth depending on organizational requirements.

High-Performance Computing

Scientific simulations, engineering analysis, computational research, and parallel processing environments benefit from the adapter's efficient packet handling and low-latency communication. High-performance computing clusters rely upon rapid node-to-node communication, making advanced Ethernet adapters an important component of scalable cluster architectures.

Telecommunications Infrastructure

Service providers and telecommunications operators require reliable networking hardware capable of supporting continuous traffic across carrier-grade environments. The adapter delivers enterprise-class performance suitable for network function virtualization, edge computing, cloud infrastructure, and modern telecommunications deployments where uninterrupted connectivity is essential.

Operational Efficiency and Long-Term Infrastructure Value

Reduced Total Cost of Ownership

The combination of hardware acceleration, dual-speed Ethernet compatibility, OCP 3.0 integration, and enterprise-grade reliability contributes to reduced operational expenses over the lifecycle of the networking infrastructure. Organizations can maximize server utilization while lowering processor overhead, simplifying maintenance, and extending infrastructure scalability without frequent hardware replacement.

Future-Ready Ethernet Connectivity

As enterprise networking continues transitioning toward increasingly bandwidth-intensive applications, the Mellanox MCX631432AS-ADAI 2-port SFP28 OCP3.0 Network Ethernet 10/25GbE Adapter provides a forward-looking networking solution capable of supporting expanding workloads, higher virtualization density, cloud-native architectures, storage-intensive applications, and next-generation data center technologies. Its advanced ConnectX-6 LX platform, dual SFP28 connectivity, intelligent hardware acceleration, and OCP 3.0 compliance make it a highly capable Ethernet adapter for organizations seeking dependable, scalable, and high-performance network connectivity across modern enterprise computing environments.