Mellanox MCX555A-ECAT ConnectX-5 VPI EDR 100Gb/s Adapter

Mellanox

MCX555A-ECAT ConnectX-5 VPI EDR 100Gb/s Adapter

The MellanoxMCX555A-ECAT ConnectX-5 VPI EDR Adapterdelivers ultra-high-speed 100Gb/s throughput for the most demanding data center, cloud, and HPC environments. Featuring Virtual Protocol Interconnect® (VPI) technology, it supports both InfiniBand and Ethernet connectivity, providing unmatched flexibility, scalability, and performance for enterprise workloads.

Features

Engineered for extreme performance, the MCX555A-ECAT offers 100Gb/s bi-directional bandwidth per port, making it an ideal choice for applications requiring low-latency, high-throughput, and massive scalability.

Advanced Options

Its dual-port VPI design allows seamless switching between EDR InfiniBand and 100GbE Ethernet, ensuring adaptability to diverse networking infrastructures. With RDMA acceleration, GPUDirect® support, and advanced stateless offloads, it optimizes data movement, reduces CPU utilization, and boosts application efficiency. Perfect for AI training clusters, storage platforms, hyperscale cloud deployments, and HPC workloads, the MCX555A-ECAT provides next-generation networking performance with enterprise-grade reliability.

Product Key Features

• Dual-port 100Gb/s EDR InfiniBand & 100GbE Ethernet

• Virtual Protocol Interconnect® (VPI) for flexible protocol support

• PCIe 3.0/4.0 x16 host interface for maximum throughput

• Low latency with RoCE and InfiniBand acceleration

• GPUDirect® RDMA support for AI and ML workloads

• Advanced stateless offloads to free up CPU cycles

• Optimized for high-performance computing and storage fabrics

• Scalable architecture for hyperscale and cloud data centers

• Enhanced virtualization features for multi-tenant environments

• Enterprise-grade Mellanox(NVIDIA Networking) design

---

Reliability & Performance

The MCX555A-ECAT is built for mission-critical infrastructures where latency, bandwidth, and reliability define performance. With industry-leading 100Gb/s speeds and dual-protocol flexibility, it enables organizations to scale efficiently while maintaining application responsiveness and data integrity. Its advanced offload technologies reduce system overhead, ensuring consistently high performance in compute-intensive workloads.

Key Features

• Model: MCX555A-ECAT

• Ports: 2x Network Ports

• Speed: 100Gb/s per port

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

• Interface: PCIe 3.0/4.0 x16

• RDMA Support: Yes, with RoCE and InfiniBand acceleration

• GPU Optimization: NVIDIA GPUDirect® RDMA supported

• Offloads: Advanced stateless offloads

• Form Factor: Full-height Adaptercard

• Reliability: Enterprise-grade, HPC-ready

• Warranty: Manufacturer Warranty Included

Specifications :

Specification	Details
Model Number	MCX555A-ECAT
Brand	Mellanox(NVIDIA Networking)
Ports	2x Ports
Port Speed	100Gb/s
Protocols	InfiniBand EDR & 100GbE Ethernet (VPI)
Interface	PCIe 3.0/4.0 x16
RDMA Support	Yes, RoCE and InfiniBand
GPU Optimization	NVIDIA GPUDirect® RDMA
Offloads	Stateless offloads
Form Factor	Full-height Adapter
Applications	Cloud, HPC, AI, Storage, Enterprise
Warranty	Manufacturer Warranty