Mellanox MCX556A-EDAT ConnectX-5 Ex VPI adapter card

Mellanox

MCX556A-EDAT ConnectX-5 Ex VPI Adapter Card

The MellanoxMCX556A-EDAT ConnectX-5 Ex VPI Adapter Card is a dual-port 100Gb/s networking solution designed for high-performance computing (HPC), cloud, and enterprise environments. Leveraging Virtual Protocol Interconnect (VPI) technology, it supports both 100GbE Ethernet and EDR InfiniBand connectivity, providing ultra-low latency, high throughput, and advanced offload capabilities for mission-critical workloads.

Features

The MCX556A-EDAT enables flexible deployment across multiple network protocols without hardware changes. Its dual 100Gb/s ports deliver unmatched bandwidth for storage fabrics, AI/ML clusters, cloud-scale virtualization, and HPC applications.

Advanced Options

Featuring RDMA over Converged Ethernet (RoCE) and GPUDirect® support, this adapter offloads processing tasks from the CPU, allowing for efficient, low-latency data transfer. Its PCIe 3.0/4.0 x16 interface ensures full-speed connectivity, while the robust ConnectX-5 Ex architecture provides enterprise-grade reliability and scalability. Ideal for organizations demanding high-performance networking with protocol versatility, the MCX556A-EDAT is optimized for AI workloads, hyperscale cloud infrastructures, and high-speed storage environments.

Product Key Features

• Dual 100Gb/s ports supporting Ethernet and EDR InfiniBand (VPI)

• PCIe 3.0/4.0 x16 interface for maximum throughput

• Ultra-low latency for HPC and AI workloads

• RDMA and GPUDirect® acceleration for CPU efficiency

• Advanced stateless offloads for transport and overlay protocols

• Flexible VPI design for dual-protocol deployment

• Optimized for hyperscale cloud, AI/ML, and HPC applications

• High reliability for mission-critical enterprise environments

• Scalable architecture supporting multi-tenant and virtualized networks

• Enterprise-grade Mellanox/NVIDIA Networking design

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Reliability & Performance

The MCX556A-EDAT provides consistent 100Gb/s performance with protocol flexibility for both Ethernet and InfiniBand networks. Its advanced offload capabilities reduce CPU usage, ensuring high throughput and low latency for compute-intensive workloads. Built for mission-critical applications, it delivers dependable, long-term networking performance for HPC, AI, cloud, and storage infrastructures.

Key Features

• Model: MCX556A-EDAT

• Ports: 2x Network Ports

• Speed: 100Gb/s per port

• Protocols: 100GbE Ethernet & EDR InfiniBand (VPI)

• Interface: PCIe 3.0/4.0 x16

• RDMA Support: Yes, RoCE and InfiniBand acceleration

• GPU Optimization: GPUDirect® RDMA supported

• Offloads: Advanced stateless offloads

• Form Factor: Full-height Adapter Card

• Reliability: Enterprise/HPC-grade design

• Warranty: Manufacturer Warranty Included

Specifications :

Specification	Details
Model Number	MCX556A-EDAT
Brand	Mellanox(NVIDIA Networking)
Ports	2x Ports
Port Speed	100Gb/s
Protocols	100GbE Ethernet & EDR InfiniBand (VPI)
Interface	PCIe 3.0/4.0 x16
RDMA Support	Yes, RoCE and InfiniBand
GPU Optimization	GPUDirect® RDMA
Offloads	Stateless offloads, overlay offloads
Form Factor	Full-height Adapter Card
Applications	HPC, AI, Cloud, Storage, Enterprise
Warranty	Manufacturer Warranty