NVIDIA ConnectX-6 Lx MCX631102AS-ADAT OCP 3.0 Smart Network Interface Card

Product Model: MCX631102AS-ADAT | Form Factor: OCP 3.0 Small Form Factor (SFF) | Data Rate: Dual-Port 25GbE | Host Interface: PCIe 4.0 x8

1. Product Overview

The NVIDIA ConnectX-6 Lx MCX631102AS-ADAT represents the evolution of the data center NIC card, purpose-built for open compute platform (OCP) architectures. This SmartNIC combines dual 25GbE SFP28 interfaces with a suite of hardware accelerators to tackle the performance bottlenecks of virtualized and software-defined infrastructure. By handling complex packet processing, RDMA operations, and encryption directly on the adapter, it liberates valuable server CPU cores for revenue-generating applications. This model is integral for operators seeking to maximize the efficiency and agility of their cloud, telco, or enterprise data centers.

2. Key Characteristics

3. Core Technology & Standards

This SmartNIC is engineered with several groundbreaking technologies that define next-generation data center networking:

• ASAP² (Accelerated Switch and Packet Processing): This technology transforms the network card into a programmable switch data plane, offloading entire virtual switch functionalities and improving VM-to-VM communication performance by up to 10x.
• Zero-Touch RoCE (ZTR): An intelligent RoCE implementation that dynamically adapts to network conditions, delivering the benefits of RDMA without the operational complexity of configuring lossless Ethernet domains.
• Hardware Root of Trust (RoT): Embedded security using unique device keys and RSA cryptography to ensure firmware authenticity and prevent unauthorized cloning, a critical feature for secure supply chains.
• OCP 3.0 Compliance: Adheres to the Open Compute Project's specification for network adapters, ensuring mechanical, thermal, and management interoperability in compliant server designs.

4. How It Works: The Smart Processing Pipeline

The MCX631102AS-ADAT operates on a principle of intelligent offload. When network packets arrive, they are processed through a multi-stage pipeline on the SmartNIC itself. The programmable parser classifies traffic. Overlay-encapsulated packets are stripped of their tunnels by the ASAP2 engine. RDMA (RoCE) traffic is placed directly into application memory, bypassing the CPU. IPsec packets are decrypted inline. All these operations occur at wire speed, with results passed efficiently to the host or back onto the network. This approach turns a passive NIC card into an active processing node, drastically reducing the load on the server's main processors—a concept synergistic with the efficiency goals of the mq9700 switch series.

5. Target Applications & Deployments

• Hyperscale Public Clouds: Provides secure, multi-tenant network isolation and acceleration for virtual machines and containers.
• Telecom & NFV Infrastructure: Offloads virtual network functions (VNFs) like vRouter, vFirewall, and 5G UPF, enabling higher throughput and lower latency.
• High-Performance Storage: Accelerates NVMe-over-Fabrics (NVMe-oF) and software-defined storage platforms using low-latency RoCE.
• AI/ML Training Clusters: Delivers high-bandwidth, CPU-efficient interconnects for distributed training workloads across server nodes.
• Secure Edge Gateways: Establishes high-performance, encrypted WAN links for distributed enterprise or telco edge sites.

6. Technical Specifications & Selection Guide

7. Key Differentiators and Benefits

• Optimized for Modern Server Designs: The OCP 3.0 SFF form factor is tailored for high-density, thermally efficient rack servers, making this the ideal network card for large-scale, homogeneous deployments.
• Uncompromising Performance per Watt: By offloading CPU-intensive tasks, it dramatically reduces server power consumption associated with networking, directly improving data center PUE and operational costs.
• Simplified Operations at Scale: Features like Zero-Touch RoCE and standardized OCP management interfaces (NC-SI, PLDM) reduce the configuration burden and enable consistent, automated provisioning across thousands of servers.
• Robust Security Foundation: Integrates security from the silicon up, protecting both the device's integrity and the data flowing through it, which is essential when deploying alongside sensitive infrastructure like mq9700-based backbones.

8. Our Commitment: Support & Services

Partnering with us for your MCX631102AS-ADAT procurement ensures a streamlined and supported experience:

• Authentic Product Guarantee: All cards are sourced through authorized channels and covered by the full NVIDIA warranty.
• Expert Technical Guidance: Our team provides expertise in OCP platform integration, driver configuration, and performance tuning.
• Scalable Supply Chain: We support both pilot projects and volume deployments with reliable inventory and logistics.
• Lifecycle Support: Access to firmware updates, compatibility notes, and end-of-life information throughout the product's lifecycle.

9. Frequently Asked Questions

10. Installation & Operational Notes

• Mechanical Compatibility: Confirm your server chassis and motherboard support the OCP 3.0 SFF form factor before purchase.
• Thermal Management: Ensure the server's cooling design provides adequate airflow over the OCP mezzanine area as per OCP thermal guidelines.
• Firmware and Drivers: Always use the recommended pair of firmware and driver versions from the NVIDIA support portal for optimal stability and feature support.
• BMC Configuration: For out-of-band management via NC-SI, ensure the baseboard management controller (BMC) is correctly configured.

11. Our Company