MCX555A-ECAT Mellanox Connectx-5 VPI Adapter Card, EDR IB & 100GBe, 1-Port QSFP28

Mellanox MCX555A-ECAT ConnectX-5 VPI 100GBE Adapter Card

The Mellanox MCX555A-ECAT ConnectX-5 VPI Adapter Card, EDR IB (100GB/s) & 100GbE 1-Port QSFP28 PCI-E is engineered for organizations that require exceptional network throughput, ultra-low latency, and reliable connectivity across demanding data center infrastructures. Designed to support both InfiniBand and Ethernet networking through Virtual Protocol Interconnect (VPI) technology, this advanced network adapter provides organizations with the flexibility to deploy a unified networking environment without compromising performance.

Built on the highly regarded ConnectX-5 architecture, the MCX555A-ECAT delivers industry-leading bandwidth for virtualization, cloud computing, software-defined networking, artificial intelligence workloads, enterprise storage, and high-performance computing clusters. Its single-port QSFP28 interface supports data transmission rates up to 100GbE Ethernet or EDR InfiniBand, making it suitable for organizations planning future-proof infrastructure upgrades.

The PCI Express interface provides outstanding communication between the server processor and the network adapter, minimizing bottlenecks while maximizing overall system performance. Modern enterprise applications increasingly require consistent high-speed connectivity, and the ConnectX-5 VPI adapter is specifically designed to meet these growing networking demands.

ConnectX-5 Architecture Optimized

Advanced Network Processing Technology

The ConnectX-5 architecture represents a significant advancement in intelligent network interface design. Rather than functioning solely as a traditional network interface card, the adapter incorporates advanced hardware acceleration capabilities that reduce CPU overhead and improve overall server efficiency. These enhancements enable applications to process network traffic with minimal latency while preserving valuable computing resources.

Organizations deploying virtualization platforms, cloud-native applications, and distributed storage solutions benefit from the intelligent processing capabilities integrated within the ConnectX-5 controller. Hardware-based packet processing reduces the workload placed on server CPUs, allowing additional processor cycles to be allocated to business-critical applications.

High-Speed PCI Express Connectivity

The PCI Express interface enables extremely high data transfer rates between the server motherboard and the network adapter. High-bandwidth PCIe communication ensures that 100GbE Ethernet or EDR InfiniBand traffic can be processed efficiently without creating internal bottlenecks. This architecture becomes especially valuable in environments where multiple applications simultaneously consume network resources.

Modern servers equipped with PCI Express expansion slots can fully leverage the bandwidth capabilities of the Mellanox MCX555A-ECAT adapter, resulting in exceptional overall networking performance.

Support for Both EDR InfiniBand and 100 Gigabit Ethernet

Flexible VPI Networking Technology

Virtual Protocol Interconnect technology is one of the defining characteristics of the Mellanox ConnectX-5 series. Unlike conventional adapters limited to a single networking protocol, the MCX555A-ECAT provides support for both EDR InfiniBand and 100 Gigabit Ethernet through the same hardware platform. This flexibility simplifies infrastructure planning while protecting long-term technology investments.

Organizations can deploy Ethernet networking for conventional enterprise workloads while utilizing InfiniBand for latency-sensitive applications such as scientific simulations, AI training, machine learning, financial modeling, and clustered computing environments.

EDR InfiniBand Performance

Enhanced Data Rate InfiniBand delivers data transmission speeds reaching 100Gb/s while maintaining remarkably low communication latency. HPC environments rely heavily on InfiniBand because applications often require rapid communication between thousands of processing nodes. The MCX555A-ECAT supports these demanding environments with reliable bandwidth and predictable performance.

100 Gigabit Ethernet Support

Organizations adopting modern Ethernet infrastructures benefit from native 100GbE compatibility. High-speed Ethernet enables faster access to shared storage, accelerated application delivery, improved virtual machine migration, and enhanced cloud connectivity. The adapter provides stable Ethernet performance suitable for enterprise-scale networking environments.

Single-Port QSFP28 Interface for Next-Generation Connectivity

QSFP28 Port Design

The integrated QSFP28 interface supports 100 Gigabit networking using modern optical transceivers and high-speed direct attach copper cables. QSFP28 technology enables efficient high-density network deployments while reducing cabling complexity within enterprise racks.

The compact interface also allows data centers to maximize switch port density, enabling scalable network architectures without excessive infrastructure expansion.

Compatibility with Modern Optical Infrastructure

The adapter supports a wide variety of QSFP28 optical modules designed for different transmission distances. Short-range optical connectivity provides efficient communication within data centers, while long-range fiber solutions enable inter-building and campus networking applications. Organizations can select the appropriate transceiver solution based on deployment requirements.

Ultra-Low Latency for Performance-Critical Applications

Reduced Communication Delays

Latency is a crucial performance metric for modern enterprise computing environments. The ConnectX-5 controller minimizes packet processing delays through advanced hardware optimization, enabling applications to exchange information with exceptional speed.

Reduced latency benefits clustered databases, distributed storage systems, virtualization platforms, and financial applications that depend on rapid transaction processing.

Real-Time Processing Advantages

Applications requiring immediate response times benefit significantly from the adapter's optimized packet handling capabilities. Real-time analytics platforms, streaming workloads, AI inference engines, and simulation software can exchange information rapidly across connected servers.

Improved User Experience

Lower latency ultimately improves application responsiveness, resulting in faster user interactions, quicker database access, and smoother communication between distributed services.

Hardware Offloading Features for Enhanced Efficiency

CPU Resource Optimization

The Mellanox MCX555A-ECAT incorporates multiple hardware acceleration technologies that transfer networking tasks away from the primary processor. By offloading repetitive networking operations to dedicated hardware, servers experience lower CPU utilization and improved application performance.

Hardware acceleration becomes increasingly valuable as network traffic volumes continue to grow across enterprise infrastructures.

Remote Direct Memory Access Support

RDMA technology enables direct memory communication between servers without involving the operating system kernel during every transaction. This capability dramatically reduces latency while increasing throughput for storage, database, virtualization, and HPC applications.

Organizations deploying NVMe over Fabrics, distributed storage clusters, or AI platforms benefit substantially from RDMA acceleration provided by the ConnectX-5 architecture.

Virtualization Performance Improvements

Support for Virtual Machines

Virtualized environments require network adapters capable of supporting large numbers of virtual machines simultaneously. The ConnectX-5 VPI adapter enables efficient resource allocation while maintaining consistent bandwidth across virtual workloads.

Server consolidation initiatives become more successful when network adapters can handle increasing virtual machine density without sacrificing network performance.

Cloud Infrastructure Optimization

Private cloud, hybrid cloud, and enterprise cloud platforms benefit from the adapter's intelligent networking features. High bandwidth allows virtual machines to communicate efficiently with storage arrays, application servers, and cloud management platforms.

Storage Networking Capabilities

Accelerated Storage Traffic

Storage performance depends heavily on network efficiency. High-speed connectivity between storage systems and application servers reduces access times while improving backup, replication, and disaster recovery operations. The ConnectX-5 adapter enables storage environments to fully utilize available bandwidth.

Large enterprise databases, virtualization storage clusters, and software-defined storage solutions all benefit from consistent high-speed communication.

Support for Modern Storage Technologies

Organizations implementing NVMe over Fabrics, distributed file systems, object storage platforms, and hyper-converged infrastructure gain substantial performance improvements through the adapter's RDMA capabilities and low-latency architecture.

Enterprise Security and Reliability Features

Reliable Data Transmission

Enterprise networks require dependable communication even under heavy workloads. The ConnectX-5 architecture incorporates advanced error handling mechanisms designed to maintain data integrity during continuous high-speed operation. Reliable packet delivery contributes to improved application stability and predictable network performance.

Continuous Operation

Mission-critical business environments frequently operate around the clock. The MCX555A-ECAT is engineered for sustained workloads commonly encountered in enterprise data centers, cloud service providers, financial institutions, and research facilities.

Scalable Deployment Across Enterprise Data Centers

Future-Ready Infrastructure

Organizations investing in modern networking infrastructure require hardware capable of supporting future bandwidth demands. The 100GbE and EDR InfiniBand capabilities of the MCX555A-ECAT position enterprise environments for long-term scalability while reducing the need for frequent hardware upgrades.

Growing workloads generated by analytics, virtualization, AI, multimedia processing, and cloud applications can be accommodated through the adapter's substantial networking capacity.

Simplified Network Expansion

As organizations expand server deployments, consistent network architecture simplifies infrastructure management. Standardized deployment of ConnectX-5 adapters across multiple servers creates predictable networking performance while reducing administrative complexity.

Compatibility with Enterprise Operating Systems

Broad Platform Support

The Mellanox MCX555A-ECAT supports a wide range of enterprise operating systems commonly deployed within data centers. Compatibility with Linux distributions, virtualization platforms, enterprise server operating systems, and cloud environments enables seamless integration into existing infrastructure.

Comprehensive driver support allows organizations to deploy the adapter efficiently while maintaining system stability and performance consistency.

Integration with Modern Networking Software

The adapter integrates effectively with software-defined networking solutions, virtualization management platforms, storage frameworks, and orchestration environments. These integrations help administrators maximize network efficiency while simplifying ongoing infrastructure management.

Ideal Enterprise Deployment Scenarios

Data Centers

Enterprise data centers processing large volumes of application traffic benefit from the adapter's high throughput, intelligent hardware acceleration, and low latency. Modern application architectures increasingly depend upon high-speed server-to-server communication that the ConnectX-5 platform readily provides.

Cloud Service Providers

Cloud providers require networking hardware capable of supporting thousands of virtual workloads with consistent performance. The MCX555A-ECAT enables efficient virtualization, rapid workload migration, and scalable cloud infrastructure deployment.

High-Performance Computing Clusters

HPC environments demand deterministic latency, exceptional bandwidth, and efficient communication between compute nodes. EDR InfiniBand support allows research organizations and engineering firms to execute computational workloads with maximum networking efficiency.

Enterprise Storage Networks

Organizations deploying high-performance storage infrastructure benefit from the adapter's ability to accelerate storage communication, reduce latency, and improve throughput across distributed storage environments.