Network Cards
A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
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A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
The NVIDIA Mellanox MCX623436AN-CDAB is a high-performance, dual-port 100GbE network interface card (NIC) from the acclaimed ConnectX-6 Dx series, specifically engineered to meet the rigorous demands of modern AI data centers, high-performance computing (HPC), and enterprise cloud environments. Featuring a dual-port QSFP56 interface and utilizing the advanced PCIe 4.0 x16 host connection, this adapter delivers a massive aggregate bandwidth of up to 200Gb/s, effectively eliminating I/O bottlenecks and ensuring seamless data flow for mission-critical applications.
Designed for the OCP 3.0 Small Form Factor (SFF), this NIC offers exceptional density and thermal efficiency, making it the ideal choice for next-generation white-box servers and high-density storage arrays. This specific configuration is "No Crypto" (Crypto Disabled), providing an optimized solution for latency-sensitive environments or regions with specific compliance and export requirements. The inclusion of a Thumbscrew (Pull Tab) bracket ensures tool-less, rapid deployment and easy maintenance in crowded server racks, significantly reducing OpEx for large-scale deployments.
By integrating advanced offloading technologies such as RDMA over Converged Ethernet (RoCE), NVMe-oF, and ASAP² for hardware-accelerated switching, the MCX623436AN-CDAB provides unparalleled ROI by freeing up CPU cycles and maximizing overall system efficiency. Whether powering AI training clusters, large-scale virtualization, or 5G telco infrastructure, this adapter represents the gold standard in high-speed networking reliability and performance.
Product Description
Elevate Your Data Center Architecture: The NVIDIA MCX623436AN-CDAB ConnectX-6 Dx is more than just a 100GbE NIC; it is a strategic asset for AI-driven infrastructures and hyperscale cloud environments. Architected with a dual-port QSFP56 interface, this adapter delivers a robust 200Gb/s aggregate bandwidth, specifically engineered to eliminate I/O bottlenecks in PCIe 4.0 x16 server nodes. By transitioning to this ConnectX-6 Dx platform, operators can ensure their network keeps pace with the blistering speeds of modern NVMe storage and AI training clusters.
Engineered for Next-Gen Field Serviceability: Utilizing the OCP Spec 3.0 Small Form Factor (SFF), this card is designed for the modern white-box server ecosystem. Unlike standard PCIe cards, the OCP 3.0 design optimizes thermal management and airflow within dense racks. The integrated Thumbscrew (Pull Tab) bracket is a critical detail for US-based engineering teams, enabling rapid, tool-less hot-swaps and reducing mean time to repair (MTTR) during mission-critical maintenance windows.
Reclaim Your Compute Power (ROI Focus): The true value of the ConnectX-6 Dx lies in its "Smart" offloading engine. By hardware-accelerating tasks such as RDMA (RoCE v2), NVMe-over-Fabrics (NVMe-oF), and ASAP² switching, the MCX623436AN-CDAB reclaims valuable CPU cores that would otherwise be wasted on network overhead. For AI and machine learning workloads, this translates directly to higher training efficiency and lower TCO, as your primary compute resources remain dedicated to the algorithms, not the data movement.
Product Highlights
OCP NIC 3.0 Accommodates High-Density Deployments to Improve Interoperability and Compatibility for Seamless Integration
SR-IOV Allows Dedicated Adapter Resources and Guaranteed Isolation and Protection
RoCE Provides Efficient, Low-latency RDMA Services over Layer 2 and Layer 3 Networks
Advanced QoS Features Ensure Isolation and Fairness among Multiple Hosts on the Network Interface Card
Provides an Accurate Time-synchronization Service for Data Center Applications and Underlying Infrastructure
ASAP² is Used for Accelerating Software-Defined Networking (SDN) and Virtual Network Functions (VNF)
Smart Interconnect for x86, Power, ARM, GPU, and FPGA-based Compute and Storage Platforms
Specifications
| Brand | Nvidia | Technology | Ethernet |
| Ports | Dual-Port QSFP56 | Host Interface | PCIe 4.0 x16 |
| Link Rate | 16.0 GT/s | Controller | ConnectX-6 Dx |
| Data Rate | 1/10/25/40/50/100 Gb/s | OS Support | Windows, RHEL/CentOS, VMware, FreeBSD, OFED and WinOF-2 |
| RDMA | Yes | SR-IOV | Yes |
| Bracket Height | Thumbscrew (Pull Tab) Bracket | Dimensions | 4.52 in. x2.99 in. (115.00mm x 76.00mm) |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) | Storage Temperature | -40 to 70 °C (-40 to 158 °F) |
Connectivity Solutions
Features
End-to-End RDMA over Converged Ethernet (RoCE) Solution
ConnectX-6 Dx provides top-tier RDMA over Converged Ethernet (RoCE) capabilities, ensuring scalable, resilient, and easily deployable RoCE solutions.
Dual-Port Adapter Supporting 100Gb/s Ethernet
ConnectX-6 Dx NICs deliver high-performance 100Gb/s connectivity, accelerating cloud, telecom, and data center applications, including security, virtualization, SDN/NFV, big data, machine learning, and storage.
OCP 3.0 combines high-performance features with best-in-class efficiency
OCP 3.0 offers more board space, thermal capacity, interfaces, and management, along with a new mating technique that simplifies FRU installation and reduces downtime.
Advanced Networking and Security
It supports SR-IOV and VirtIO hardware virtualization, optimizing performance, offloading cloud networking workloads, freeing CPU cores, and reducing total cost of ownership.
Unlock Seamless Network Performance with Compatibility Testing
Through comprehensive testing procedures, we ensure seamless compatibility with mainstream servers, guaranteeing the long-term reliability and stability of the entire network infrastructure.
Questions & Answers
Q:
I need a network card compatible with the Huawei 1288H v7 host and supporting VMware. Can you provide one?
A:
The 1288H v7 is equipped with OCP 3.0 and PCIe 5.0 interfaces. You may select NVIDIA Connext-7 series network cards such as the MCX75310AAS-NEAT, featuring PCIe 5.0 x16, which supports both IB and Ethernet with speeds up to 400G. Our current NVIDIA NIC offerings span 25-800G, covering both PCIe and OCP types. Select based on your use case. Note that the 800G NIC 900-9X81E-00EX-ST0 is a PCIe 6.0 card and may not achieve maximum performance on your device.
Q:
What operational benefits do OCP NIC 3.0 solutions offer compared to traditional PCIe cards in large-scale deployments?
A:
OCP NIC 3.0 cards support hot-swappable upgrades (server-dependent), reduce vendor lock-in, and enable centralized management, streamlining scalability and maintenance in hyperscale or edge environments.
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