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NVIDIA MCX555A-ECAT Mellanox ConnectX®-5 VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Single-port QSFP28, PCIe 3.0 x16, Tall Bracket
NVIDIA MCX555A-ECAT Mellanox ConnectX®-5 VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Single-port QSFP28, PCIe 3.0 x16, Tall Bracket
NVIDIA MCX555A-ECAT Mellanox ConnectX®-5 VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Single-port QSFP28, PCIe 3.0 x16, Tall Bracket
P/N: MCX555A-ECAT
Price Upon Request
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Product Highlights

Single 100GbE QSFP28 Ports with 10/25/50/100GbE Flexibility
EtherCAT & RoCE v2 Hardware Acceleration for Real-Time Control
NVMe over Fabrics Offload for High-Speed Storage Networking
SR-IOV with 256 Virtual Functions for Cloud Deployments
Extended Temperature Range (0-55°C) for Harsh Environments
Advanced Packet Steering & Flow Control for Low Latency
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Specifications
Q&A
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NVIDIA MCX555A-ECAT Mellanox ConnectX®-5 VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Single-port QSFP28, PCIe 3.0 x16, Tall Bracket
ConnectX-5 with Virtual Protocol Interconnect® supports two ports of 100Gb/s InfiniBand and Ethernet connectivity, sub-600 ns latency, and very high message rate, plus PCIe switch and NVMe over Fabric offloads, providing the highest performance and most flexible solution for the most demanding applications and markets: Machine Learning, Data Analytics, and more.
Specifications
Brand
NVIDIA
Technology
VPI
Ports
Single
Port Type
QSFP28
Data Rate
(Eth) 1, 10, 25, 40, 50, 100GbE; (IB) SDR, DDR, QDR, FDR, EDR
Host Interface
PCIe 3.0×16
Input Voltage
12v
Max. Power Consumption
19.7W
Operating Temperature
0 to 55°C (32 to 131℉)
Storage Temperature
-40 to 70°C (-40 to 158℉)
Dimensions (W×D)
68.90×142.24mm
Controller
ConnectX-5
Certification
Product
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Questions & Answers
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All (2) Management (1)Scalability (1)
Q:

Are these NICs suitable for AI and HPC workloads?

by A***m on 2025-07-21 16:19:29

A:

Yes, especially models like ConnectX-6 and ConnectX-7, which are optimized for high-throughput, low-latency environments.

by Helpful on 2025-07-21 16:57:19

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Q:

What port types are available on NVIDIA NICs?

by z***m on 2025-07-21 15:24:23

A:

They support a variety of speeds and interfaces including 10G, 25G, 100G, and 200G via SFP28, QSFP28, and QSFP-DD.

by CPLIGHT on 2025-07-21 16:58:06

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Customer Reviews
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All (2) Performance (1)Compatibility (1)
M
M***m
2025-07-12 09:39:04
Confirmed Purchase
5.0

Zero packet drops even during stress tests. It's the most stable NIC we've ever deployed in our data center.

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x
x***m
2025-04-14 22:15:51
Confirmed Purchase
5.0

These NICs worked out-of-the-box with our Linux-based servers and major hypervisors including VMware and Proxmox.

link icon Helpful 0
comment icon Comment 0
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