Nvidia MCX555A-Ecat 100g Network Card, Single-Port Qsfp28, EDR Ib/Ethernet, Pcie 3.0 X16

Product Description

Product Description

The NVIDIA® ConnectX®-5 InfiniBand adapter cards offer a high-performance and flexible solution, featuring dual ports of 100Gb/s InfiniBand and Ethernet connectivity, low latency, high message rate, as well as an embedded PCIe switch and NVMe over Fabrics offloads.

These intelligent RDMA-enabled adapters provide advanced application offload capabilities for high-performance computing (HPC), cloud hyperscale, and storage platforms. Available in stand-up PCIe card and Open Compute Project (OCP) Spec 2.0 form factors, they are compatible with PCIe Gen3 and Gen4 servers. Selected models also support NVIDIA Multi-Host™ and NVIDIA Socket Direct™ technologies.

Brand and model	NVIDIA Mellanox MCX555A-ECAT Network Adapter
interface type	Single-Port QSFP28 (QSFP+/QSFP28 Optical Module Compatible)
Bus standard	PCI Express 3.0 x16
network protocol	- EDR InfiniBand (100Gb/s) - 100GbE Ethernet
Main chip	ConnectX®-5 VPI Network Chip
Hardware function	- Atomic Operations - Hardware-Based Congestion Control - Reliable Transport (XRC) - Collective Offload
Virtualization support	- SR-IOV - RoCE v2/RDMA Acceleration
I/o performance	- 16 Million I/O Channels - Message Size: 2GB - Latency: <100ns (Cut-Through)
compatibility	- Server Standard: OCP 2.0 - OS: Linux/Windows/VMware
Network characteristics	- IEEE 802.3bj/bm/ba Ethernet Protocols - VLAN Tagging & Priority
high function	- Mellanox PeerDirect™ RDMA (GPU Direct) - Dynamic Connection Management (DCT)
Safety and reliability	- IPsec/TLS Encryption Offload - 64/66 Encoding
Physical specification	- Half-Height Half-Length (HHHL) Design

Product Features

Product Advantages

Label Matching and Assembly Point Offloading
Adaptive routing for reliable transmission
Burst buffer offloading for background checkpoints
NVMe over Fabric (NVMe-oF) offloading
Embedded PCIe design
Enhanced vSwitch/vRouter offloading
RoCE network coverage
PCIe Gen 4.0 support
RoHS compliance and ODCC compatibility

Up to 100Gb/s connection per port
Industry-leading throughput with low latency, low CPU utilization, and high message rate Innovative rack design based on host chaining technology for storage and machine learning
Intelligent interconnection for x86, Power, Arm, and GPU-based computing and storage platforms Advanced storage features including NVMe-oF offloading Smart network adapter supporting flexible pipeline programmability Cutting-edge virtualized network performance (including network function virtualization NFV)
Efficient service chain capability accelerator  Efficient I/O consolidation to reduce data center cost and complexity

Company Introduction

A national high-tech company featuring R&D, designing, production,marketing and service, Beijing HengzhengTc Sci-Tech co. Ltd.
providesprofessional solutions for high-speed Internet access products and smarttelecommunications products.

lt's products include PCle and Ocp servernetwork adapter, optical module, DAC/AOC/ACC/AEC and MTP/MPT opti-cal fiber patch cord, and can be produced on demand. 

Its1G/10G/25G/40G/50G/100G/200G/400G/800G Ethernet product seriesand EDR, HDR, NDR and XDR InfiniBand product series can be used inequipment of all mainstream brands, and can be applied in cloud servic-es, high-caliber computing, enterprises, telecommunications, storage, Aland data centers. Beijing HengzhengTc Sci-Tech Co. Ltd. provides a36-month warranty for all its products.

We also provide parts of world-famous brand Al servers, including GPU,DPU, RAlD controller, network adapter, ssD, among
others. Guided byour clients'demands, we also provide solutions for Brocade FC SAN,Nvidia InfiniBand and high-speed Ethernet.
With 16 years of experience in the industry and five years of export histo-ry, we value the client-centered principle and
sincerely serve every do-mestic and international client.

1. Why choose us?
Our team has over 10 years of experience in AI server accessories and high-speed network solutions (FC SAN/InfiniBand/Ethernet), with deep industry expertise to deliver optimized solutions for various scenarios. 
We maintain a stable supply chain with long-term partnerships with top manufacturers, ensuring sufficient stock and reliable lead times. We provide one-stop services including product selection, solution design and 24/7 after-sales support. 
Benefiting from bulk purchasing, we offer highly cost-effective 100% original products at competitive prices.
 
2. Is the product brand new?
All products are 100% original and new. Official warranty is provided for authorized brands, and self-developed products pass strict quality inspection. Official verification is supported.
 
3. How long after payment will the goods be dispatched?
In-stock orders: Ship within 1–3 working days after payment confirmation; urgent orders are prioritized.
Out-of-stock/custom orders: Lead time depends on inventory or production, confirmed by customer service. 
Delivery may be delayed during holidays. Please check with us before ordering.
 
4. Is customization acceptable? What is the MOQ?
Customization available for self-developed network cards, optical modules and high-speed cables.
MOQ: 50 pieces for basic customization; ≥200 pieces for complex specifications.
Authorized products only support original standard models, no customization. 
Contact customer service for details.
 
5. Which payment methods and currencies are accepted?
We accept bank transfers (online or counter) to our corporate account. 
Order number must be noted for payment verification. 
Both RMB and USD are supported.