MCX512F-ACHT Mellanox ConnectX-5 EN 25GbE Card PCI-E - 2 Ports Adapter

Mellanox MCX512F-ACHT 2-Port 10GbE/25GbE Adapter Overview

The Mellanox MCX512F-ACHT is a high-performance dual-port Ethernet network interface card (NIC) engineered for enterprise data centers, cloud computing environments, virtualization platforms, and high-performance computing (HPC) infrastructures. Built on a PCI Express 3.0 x16 interface, this advanced adapter provides outstanding throughput, ultra-low latency, and hardware acceleration for modern networking applications. Supporting both 10 Gigabit and 25 Gigabit Ethernet connectivity, the adapter enables organizations to maximize network efficiency while reducing CPU utilization through intelligent offloading technologies.

General Information of Mellanox MCX512F-ACHT

• Manufacturer: Mellanox
• Part Number: MCX512F-ACHT
• Product Category: PCI Express Ethernet Network Adapter

Supported Network Speeds

• 1 Gigabit Ethernet
• 10 Gigabit Ethernet
• 25 Gigabit Ethernet

Compatible Media Options

• SFP28 Direct Attach Copper (DAC) cables
• Active Optical Cables (AOC)
• SFP28 optical fiber transceivers
• Short-range fiber connections
• Long-distance optical networking

Benefits of PCIe 3.0 x16

• High host bandwidth
• Reduced transmission latency
• Efficient packet processing
• Reliable multi-port performance
• Excellent scalability for enterprise applications

RoCE Advantages

• Ultra-low network latency
• Reduced processor overhead
• Higher application performance
• Accelerated distributed computing
• Improved storage responsiveness

Ideal Applications for RoCE

• High-performance computing clusters
• Artificial intelligence workloads
• Machine learning platforms
• Scientific simulations
• Enterprise storage systems

Virtualization Acceleration Technologies

Supported Overlay Network Technologies

• VXLAN
• NVGRE
• Geneve

Benefits for Virtual Infrastructure

• Lower CPU utilization
• Faster virtual machine communication
• Higher virtual machine density
• Enhanced cloud scalability
• Improved network efficiency

Storage Offload Features

• NVMe over Fabrics (NVMe-oF)
• T10-DIF data integrity acceleration
• Secure storage processing
• Hardware checksum offloading
• Advanced packet acceleration

Power Specifications

• Typical power consumption: 12.7W
• Maximum power consumption: 15.1W
• Optimized thermal efficiency
• Suitable for dense server deployments

Supported HPE Servers

• HPE ProLiant DL325 Gen10 Plus
• HPE ProLiant DL385 Gen10 Plus
• HPE ProLiant DX360 Gen10 Plus

Ideal Enterprise Applications

• Enterprise data centers
• Cloud computing platforms
• Virtualized server environments
• Software-defined networking (SDN)
• Network function virtualization (NFV)
• Hyper-converged infrastructure (HCI)
• AI and machine learning clusters
• Big data analytics
• Enterprise backup and disaster recovery
• High-performance storage networks

Key Features and Advantages

• High-speed dual-port 25GbE networking
• Backward compatibility with 10GbE and 1GbE networks
• Enterprise-grade PCIe 3.0 x16 performance
• Low-latency RoCE acceleration
• Intelligent virtualization hardware offloads
• Support for VXLAN, NVGRE, and Geneve encapsulation
• Storage acceleration with NVMe-oF support
• Energy-efficient operation
• Low-profile form factor for flexible installation
• Optimized for HPE ProLiant Gen10 and Gen10 Plus servers

Mellanox MCX512F-ACHT 10Gb/25Gb SFP28 Network Adapter

The Mellanox MCX512F-ACHT 10Gb/25Gb 2-Port SFP28 PCIe 3.0 x16 Network Adapter is designed for organizations seeking exceptional Ethernet connectivity, low-latency communication, and reliable network performance across modern IT environments. As part of the advanced ConnectX family, this dual-port SFP28 adapter provides flexible support for both 10 Gigabit Ethernet and 25 Gigabit Ethernet deployments while delivering enterprise-grade throughput and outstanding scalability. Businesses, cloud providers, research institutions, and data center operators rely on this network adapter to maximize bandwidth utilization, reduce bottlenecks, and accelerate data-intensive workloads.

Built with PCI Express 3.0 x16 technology, the Mellanox MCX512F-ACHT enables servers to fully utilize high-speed networking without compromising overall system performance. Its architecture supports virtualization, software-defined networking, cloud infrastructure, storage networking, and high-performance computing environments where consistent bandwidth and minimal latency are essential. Whether organizations are upgrading legacy 10GbE infrastructure or deploying new 25GbE networks, this adapter provides a future-ready solution that supports evolving enterprise requirements.

Advanced ConnectX Architecture

The ConnectX architecture incorporated into the Mellanox MCX512F-ACHT represents years of innovation focused on improving network efficiency while reducing processor overhead. Instead of relying solely on CPU resources to process networking tasks, the adapter offloads numerous operations directly to dedicated hardware acceleration engines. This approach significantly improves server efficiency, lowers latency, and enables applications to process larger workloads without experiencing networking bottlenecks.

Modern enterprises increasingly require network adapters capable of handling virtualization, cloud-native applications, distributed databases, artificial intelligence workloads, and storage traffic simultaneously. The intelligent design of the MCX512F-ACHT ensures that demanding applications receive the bandwidth and responsiveness required for uninterrupted operation.

Optimized PCI Express 3.0 x16 Interface

The PCI Express 3.0 x16 interface provides a substantial communication channel between the network adapter and the server platform. This high-bandwidth interface ensures that network traffic can move efficiently between system memory and Ethernet ports without introducing unnecessary delays. Organizations deploying virtualization clusters, storage servers, or high-density computing platforms benefit from the increased data transfer capacity offered by the PCIe Gen3 x16 architecture.

Compared to older PCI Express generations, PCIe 3.0 significantly improves throughput while maintaining compatibility with numerous enterprise server platforms. The result is enhanced responsiveness for applications requiring continuous high-speed network communication.

Dual-Port SFP28 Connectivity for Flexible Network Expansion

The Mellanox MCX512F-ACHT features two independent SFP28 ports, enabling organizations to establish multiple high-speed network connections through a single expansion card. Dual-port connectivity supports redundancy, load balancing, traffic segmentation, storage networking, and increased aggregate bandwidth while minimizing hardware complexity inside enterprise servers.

Each SFP28 interface supports both 10 Gigabit Ethernet and 25 Gigabit Ethernet connectivity, allowing organizations to migrate existing infrastructure at their own pace without replacing networking hardware prematurely. This flexibility protects infrastructure investments while simplifying long-term upgrade strategies.

Support for Multiple Optical and Direct Attach Connectivity Options

The SFP28 interface accommodates numerous compatible transceiver modules and Direct Attach Copper cables, giving network administrators flexibility when designing enterprise networking environments. Organizations can deploy fiber optic connectivity for longer-distance communication or copper direct-attach solutions for short-reach rack-level deployments depending on operational requirements.

This modular design makes the network adapter suitable for small server rooms, enterprise data centers, campus environments, cloud facilities, and colocation infrastructures.

10GbE and 25GbE Ethernet Performance

Supporting both 10GbE and 25GbE Ethernet standards enables organizations to optimize network bandwidth according to workload requirements. Legacy systems can continue operating at 10 Gigabit Ethernet speeds while newer infrastructure takes advantage of higher-performance 25 Gigabit Ethernet connectivity.

The transition from 10GbE to 25GbE provides substantial bandwidth improvements without dramatically increasing infrastructure complexity. This makes the Mellanox MCX512F-ACHT particularly attractive for organizations modernizing data center networking while maintaining compatibility with existing Ethernet environments.

Improved Throughput for Data-Intensive Applications

Applications involving virtualization, cloud computing, scientific analysis, media production, financial transactions, machine learning, and enterprise databases generate enormous network traffic. The increased bandwidth available through dual 25GbE connectivity enables these applications to transfer information rapidly while maintaining consistent performance under demanding workloads.

High-throughput networking also contributes to faster storage access, improved backup operations, shorter migration windows, and accelerated application responsiveness throughout enterprise environments.

Designed for Enterprise Data Centers

Enterprise data centers require networking components capable of operating continuously under heavy workloads. The Mellanox MCX512F-ACHT is engineered to deliver consistent performance across 24-hour production environments while maintaining reliability during sustained network utilization.

Organizations deploying virtualization clusters, web hosting platforms, enterprise databases, private cloud infrastructure, and distributed applications benefit from the adapter's ability to process millions of packets efficiently while maintaining predictable latency.

Scalable Infrastructure Deployment

Scalability remains one of the defining characteristics of modern enterprise infrastructure. The MCX512F-ACHT allows organizations to expand networking capacity gradually without requiring immediate replacement of server hardware. Administrators can standardize on a single network adapter model across multiple server generations, simplifying procurement, deployment, and long-term maintenance.

Virtualization Performance Enhancement

Virtualization environments place unique demands on network infrastructure because multiple virtual machines simultaneously share physical networking resources. The Mellanox MCX512F-ACHT incorporates technologies designed to optimize virtual machine communication while minimizing processor utilization.

Hardware acceleration enables more efficient packet processing, allowing virtualization hosts to allocate additional CPU resources toward application workloads rather than networking operations. This improves virtual machine density while maintaining consistent network responsiveness.

Efficient Virtual Machine Networking

Virtualized workloads frequently involve live migration, distributed storage communication, backup traffic, and inter-VM networking. The adapter supports these activities through intelligent packet handling capabilities that improve communication efficiency while reducing latency across virtual environments.

Cloud Computing Infrastructure Support

Private clouds, hybrid cloud deployments, and public cloud infrastructures depend upon reliable network adapters capable of supporting thousands of concurrent network sessions. The Mellanox MCX512F-ACHT provides the bandwidth and intelligent processing required to support cloud orchestration platforms, containerized applications, distributed services, and software-defined networking architectures.

As organizations continue migrating workloads toward cloud-native architectures, high-performance Ethernet connectivity becomes increasingly important for maintaining service availability and application responsiveness.

Containerized Application Performance

Containers generate highly dynamic networking patterns that require efficient packet processing and rapid communication between application instances. The MCX512F-ACHT supports these modern deployment models by delivering consistent Ethernet performance even under rapidly changing traffic conditions.

Storage Networking Optimization

Storage infrastructure increasingly depends upon high-speed Ethernet connectivity for transferring large datasets between servers and storage systems. The Mellanox MCX512F-ACHT accelerates storage communication by providing sufficient bandwidth for network-attached storage, software-defined storage platforms, distributed file systems, and backup appliances.

Organizations operating storage-intensive workloads benefit from improved transfer speeds, faster synchronization, reduced backup windows, and enhanced storage accessibility throughout enterprise environments.

Reliable Large File Transfers

Large multimedia assets, engineering simulations, research datasets, enterprise backups, and business archives require dependable high-speed networking. The dual-port design ensures sufficient bandwidth while reducing transfer delays during peak operational periods.

Low-Latency Networking Capabilities

Latency directly impacts application responsiveness, database performance, virtualization efficiency, and cloud services. The Mellanox MCX512F-ACHT is optimized to minimize packet processing delays through intelligent hardware acceleration and advanced networking technologies.

Applications requiring rapid response times benefit from consistently low latency across enterprise Ethernet networks. Reduced communication delays contribute to faster application execution and improved user experiences.

Consistent Network Responsiveness

Predictable latency is often more valuable than peak bandwidth alone. The MCX512F-ACHT delivers stable communication characteristics that help organizations maintain consistent application performance even during periods of elevated network utilization.

Security and Network Reliability

Enterprise networking demands reliable communication while protecting sensitive business information. The Mellanox MCX512F-ACHT incorporates advanced networking capabilities that support secure communication, stable packet delivery, and dependable connectivity across mission-critical environments.

Hardware-assisted networking reduces software overhead while contributing to predictable communication patterns that support secure enterprise operations.

Continuous Enterprise Availability

Organizations operating business-critical services require network adapters capable of maintaining uninterrupted communication over extended operational periods. The enterprise-class engineering behind the MCX512F-ACHT supports continuous availability throughout demanding production environments.

Broad Operating System Compatibility

The Mellanox MCX512F-ACHT supports a wide range of enterprise operating systems commonly deployed within server environments. Compatibility with multiple Linux distributions, Microsoft Windows Server platforms, VMware virtualization environments, and other enterprise operating systems simplifies infrastructure standardization across heterogeneous data centers.

Broad compatibility allows organizations to integrate the adapter into existing environments without requiring extensive infrastructure redesign or operating system migration.

Simplified Enterprise Deployment

Network administrators benefit from streamlined installation procedures, mature driver availability, and extensive enterprise ecosystem support that accelerates deployment while reducing implementation complexity.

Energy-Efficient Network Processing

Power efficiency has become increasingly important as enterprise data centers continue expanding. The Mellanox MCX512F-ACHT balances high-performance Ethernet connectivity with efficient hardware utilization, allowing organizations to optimize networking performance without unnecessarily increasing overall power consumption.

Reduced processor overhead also contributes to improved server efficiency since fewer CPU resources are consumed processing networking tasks.

Ideal Applications for the Mellanox MCX512F-ACHT

Enterprise Virtualization Platforms

Organizations operating VMware, Hyper-V, KVM, or other virtualization platforms benefit from the adapter's high throughput, efficient packet processing, and virtualization optimization features. Dense virtualization clusters require dependable network communication to maintain application performance and service availability.

Cloud Data Centers

Cloud providers deploy high-performance Ethernet adapters to support multi-tenant workloads, distributed computing environments, scalable application hosting, and software-defined networking architectures. The MCX512F-ACHT provides the networking capabilities necessary for these demanding infrastructures.

High-Performance Computing

Scientific computing, engineering simulations, artificial intelligence, machine learning, financial modeling, and academic research environments frequently transfer enormous datasets between computing nodes. High-speed Ethernet connectivity enables faster collaboration across clustered computing resources.

Storage Infrastructure

Enterprise storage systems, backup servers, disaster recovery platforms, and distributed storage environments require reliable high-bandwidth networking to maintain operational efficiency. The dual-port architecture supports these workloads while improving overall storage performance.

Long-Term Investment for Modern Networks

Future-Ready Ethernet Connectivity

The Mellanox MCX512F-ACHT provides a practical upgrade path for organizations transitioning from 10 Gigabit Ethernet toward higher-speed 25 Gigabit Ethernet deployments. Support for multiple Ethernet speeds allows businesses to extend infrastructure lifecycles while adopting new networking technologies at their preferred pace.

Reduced Infrastructure Costs

By combining dual SFP28 connectivity, PCIe 3.0 x16 bandwidth, advanced hardware acceleration, virtualization optimization, and enterprise-class reliability into a single network adapter, organizations can reduce hardware complexity while maximizing server networking capabilities. Standardizing on a versatile Ethernet adapter also simplifies maintenance, inventory management, and future infrastructure expansion.

Enterprise Networking Performance That Scales with Business Growth

The Mellanox MCX512F-ACHT 10Gb/25Gb 2-Port SFP28 PCIe 3.0 x16 Network Adapter continues to be a preferred choice for organizations seeking dependable Ethernet performance, exceptional scalability, intelligent hardware acceleration, flexible SFP28 connectivity, and enterprise-class reliability. Its combination of dual-port architecture, support for multiple Ethernet speeds, advanced ConnectX technology, efficient PCI Express integration, virtualization optimization, cloud readiness, storage networking capabilities, and low-latency communication makes it an outstanding networking solution for modern enterprise servers and high-performance data center environments.