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Product Model: MCX623106AN-CDAT | Interface: Dual-Port SFP28 | Data Rate: 10/25GbE per port (50GbE total) | Host Interface: PCIe 4.0 x8
Core Value Proposition
Engineered for the modern enterprise and cloud data center, the MCX623106AN-CDAT SmartNIC transcends the role of a standard network card. It delivers line-rate 25GbE performance while intelligently offloading critical networking, storage, and security functions from the host CPU. This results in dramatically improved application performance, enhanced infrastructure security, and a lower total cost of ownership (TCO) for your 25/50GbE deployments.
1. Product Overview
The NVIDIA ConnectX-6 Lx MCX623106AN-CDAT is a high-performance, feature-rich Smart Network Interface Card (SmartNIC) designed to accelerate and secure data center infrastructure. Moving beyond basic connectivity, this NIC card integrates advanced hardware accelerators for software-defined networking (SDN), RDMA over Converged Ethernet (RoCE), and inline IPsec encryption. The dual SFP28 ports support flexible 10GbE or 25GbE connectivity, providing up to 50Gb/s of aggregate bandwidth. It is a pivotal component for building efficient, scalable, and secure clouds, directly complementing high-speed infrastructure built with solutions like the mq9700 series.
2. Key Characteristics
High-Performance Connectivity: Two ports of 10/25GbE or one port of 50GbE (via breakout cable).
This SmartNIC is built on a foundation of industry-leading technologies that define modern data center networking:
ASAP² (Accelerated Switch and Packet Processing): Offloads the entire SDN data plane (VXLAN, GENEVE, NVGRE encapsulation/decapsulation) to the network card hardware.
Zero-Touch RoCE (ZTR): An implementation of RDMA over Converged Ethernet that operates seamlessly on existing networks without requiring special QoS configurations like PFC.
Inline IPsec Acceleration: Hardware-based encryption/decryption for IPsec tunnels at line rate, supporting AES-256/512-XTS.
Hardware Security Module (HSM) Lite: Provides a hardware root-of-trust using RSA cryptography for secure firmware updates and anti-cloning protection.
4. How It Works: The SmartNIC Advantage
Unlike a traditional NIC card that merely moves data, the MCX623106AN-CDAT acts as an intelligent co-processor on the server's PCIe bus. When network traffic arrives, its programmable parser identifies the packet type. RoCE traffic is directly placed into application memory via RDMA, bypassing the OS kernel. Overlay network packets (VXLAN/GENEVE) are decapsulated by the ASAP2 engine. Secured IPsec packets are decrypted inline. All these complex operations are handled at wire speed on the card itself. This process offloads significant CPU cycles, freeing server resources for core applications and reducing latency—a principle central to the performance philosophy shared by the broader mq9700 ecosystem.
5. Application Scenarios
Hyper-Converged Infrastructure (HCI): Accelerates storage traffic (vSAN, Ceph) using RoCE for low-latency, high-throughput data movement.
Cloud & Telco NFV Platforms: Offloads virtual switching (OVS) and network functions (firewalls, routers) via ASAP2, improving virtual machine density and performance.
AI/ML and HPC Clusters: Provides high-bandwidth, low-latency interconnects crucial for distributed training and parallel computing tasks.
Secure Enterprise Networks: Establishes high-performance, encrypted tunnels between data centers or to the cloud using hardware-accelerated IPsec.
Storage Networking: Ideal for NVMe-oF (NVMe over Fabrics) initiators, leveraging RoCE for efficient storage access.
6. Technical Specifications
Attribute
Specification
Details
Product Model
MCX623106AN-CDAT
Primary Ordering P/N
Form Factor
PCIe Low Profile
Fits standard and low-profile slots
Network Ports
2 x SFP28
Supports 10GbE or 25GbE optics/DAC
Max Data Rate
50 Gb/s (Aggregate)
25Gb/s per port
Host Interface
PCIe 4.0 x8
Backward compatible with PCIe 3.0
Key Accelerators
RoCEv2, ASAP2, IPsec
Hardware offload engines
Virtualization
SR-IOV, VirtIO
Supports multiple virtual functions
Security Features
Hardware Root-of-Trust, Inline IPsec
AES-256-XTS, Secure Firmware Update
Management
NC-SI, MCTP, PLDM
BMC integration for out-of-band management
Remote Boot
PXE, iSCSI, UEFI
Support for x86 and Arm servers
Note: This network card is part of a broader portfolio. For OCP 3.0 SFF or other variants, please inquire.
7. Competitive Advantages
Unmatched Total Cost of Ownership (TCO): Reduces server CPU utilization by up to 30% for networking tasks, allowing consolidation of workloads or deployment of smaller, more energy-efficient servers.
Simplified RoCE Deployment: Zero-Touch RoCE technology removes the complexity of configuring lossless Ethernet, enabling high-performance storage and AI networks on existing infrastructure.
Holistic Security: Combines endpoint security (hardware RoT) with network security (line-rate IPsec), providing a defense-in-depth strategy directly on the NIC card.
Future-Proof Investment: PCIe 4.0 readiness and support for next-gen protocols ensure the card remains relevant through multiple server refresh cycles, much like the forward-looking design of the mq9700 series switches it often connects to.
8. Support & Services
We ensure a seamless experience from selection to deployment:
Genuine Warranty: All products are covered by the full NVIDIA standard warranty.
Technical Consultation: Our experts assist with compatibility verification and integration planning for your specific server and switch environment.
Reliable Supply: We maintain strategic inventory to support both project-based and ad-hoc procurement needs.
Global Logistics: Efficient shipping and customs clearance for international customers.
9. Frequently Asked Questions
Q: Does this SmartNIC require special drivers or software?
A: It uses the standard NVIDIA MLNX_EN OFED drivers for Linux and standard inbox drivers for Windows, which are widely available and supported. Management tools like NVIDIA firmware tools are used for updates and configuration.
Q: Can I use it for both Ethernet and storage traffic simultaneously?
A: Absolutely. This is a key strength. One port can handle standard IP traffic while the other is dedicated to RoCE-based storage (e.g., NVMe-oF), or both can be trunked for combined throughput. The hardware accelerators work independently per flow.
Q: What is the difference between this and a basic 25GbE NIC?
A: A basic network card only handles packet transmission/reception, burdening the CPU. The MCX623106AN-CDAT SmartNIC performs advanced processing (encryption, tunneling, RDMA) on-chip, significantly boosting application performance and server efficiency.
10. Important Precautions
Compatibility: Verify server BIOS/UEFI settings enable PCIe ASPM and SR-IOV if required. Ensure adequate chassis cooling for the card.
Firmware: Always use firmware versions recommended by NVIDIA for your specific driver and OS combination. Utilize the secure update mechanism.
Thermal: Ensure proper airflow across the card's heatsink. Do not obstruct vents in the server chassis.
Electrostatic Discharge (ESD): Handle the card by its edges and use an anti-static wrist strap during installation.
Optics Compatibility: Use SFP28 optical transceivers or Direct Attach Cables (DAC) that are qualified for use with ConnectX-6 Lx adapters.
11. About Our Company
With over a decade of specialization in enterprise and data center networking, we have established a reputation as a reliable, knowledge-driven partner. Our core strengths include:
Technical Depth: Our engineering and sales teams possess deep expertise in high-performance networking, from SmartNICs like the MCX623106AN-CDAT to complex switch fabrics, ensuring you receive architecturally sound guidance.
Authorized Partnerships: We are an authorized supplier for premier brands including NVIDIA Networking (Mellanox), ensuring access to genuine, fully-warranted products and direct technical support channels.
Supply Chain Assurance: We operate a significant warehousing and logistics network, enabling us to hold substantial inventory. This allows us to reliably fulfill orders for critical components—from a single NIC card to large-scale deployments—with speed and flexibility.
Comprehensive Support Model: Our engagement extends beyond the point of sale. We provide dedicated pre-sales technical consultation and responsive post-sales support to ensure optimal integration and performance of your networking investments.
When you source advanced components like the NVIDIA ConnectX-6 Lx SmartNIC or complementary mq9700 series infrastructure from us, you gain a partner committed to the success and efficiency of your data center environment.
Hong Kong Starsurge Group Co.
Leading IT Solutions Provider & System Integrator Since Establishment
Hong Kong Starsurge Group Co. is a technology-driven enterprise specializing in IT network system integration, IoT solutions, and custom software development. With extensive industry expertise ac...
Hong Kong Starsurge Group Co.
Leading IT Solutions Provider & System Integrator Since Establishment
Hong Kong Starsurge Group Co. is a technology-driven enterprise specializing in IT network system integration, IoT solutions, and custom software development. With extensive industry expertise ac...
