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  3. NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe

  1. China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
  2. China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
  3. China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
  4. China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
  5. China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe
  6. China NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe

NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s Dual-Port 25GbE SmartNIC – PCIe

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Condition new and original
Host Interface PCIe Gen 4.0, 3.0, 2.0, 1.1 16.0, 8.0, 5.0, 2.5 GT/s link rate 8 lanes of PCIe MSI/MSI-X mechanisms Advanced PCIe capabilities
Payment Terms T/T
Connectors 2 x SFP28
Delivery Time Based on inventory
Technology Ethernet
Products Status Stock
Speed 25Gbps
Supply Ability Supply by project/batch
Interface PCIe 4.0 x8
Packaging Details outer box
Network Interface Two SerDes lanes supporting 25Gb/s per lane, for various port configurations: -2x 10/25 GbE -1x 50GbE
Model Number MCX631102AN-ADAT
Brand Name Mellanox

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  1. Product Details
  2. Company Details

Product Specification

Condition new and original Host Interface PCIe Gen 4.0, 3.0, 2.0, 1.1 16.0, 8.0, 5.0, 2.5 GT/s link rate 8 lanes of PCIe MSI/MSI-X mechanisms Advanced PCIe capabilities
Payment Terms T/T Connectors 2 x SFP28
Delivery Time Based on inventory Technology Ethernet
Products Status Stock Speed 25Gbps
Supply Ability Supply by project/batch Interface PCIe 4.0 x8
Packaging Details outer box Network Interface Two SerDes lanes supporting 25Gb/s per lane, for various port configurations: -2x 10/25 GbE -1x 50GbE
Model Number MCX631102AN-ADAT Brand Name Mellanox
High Light NVIDIA ConnectX-6 Lx 50Gb/s SmartNIC ，Dual-Port 25GbE PCIe Gen4 Network Card ，OCP 3.0 RoCE SmartNIC with warranty
NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 50Gb/s SmartNIC
High-performance 25/50GbE Ethernet SmartNIC designed for modern enterprise and cloud data centers with advanced security and acceleration features.
Product Overview
The NVIDIA ConnectX-6 Lx MCX623106AN-CDAT is a dual-port 25/50GbE Ethernet SmartNIC delivering up to 50 Gb/s total bandwidth with PCIe Gen4 x8 host interface. This OCP 3.0 Small Form Factor adapter provides exceptional performance, advanced security, and accelerated networking at an optimized total cost of ownership.
Featuring Zero-Touch RoCE for simplified RDMA deployments, inline IPsec encryption/decryption acceleration, hardware root-of-trust, and ASAP² SDN offload, this SmartNIC enables secure, high-performance networking for virtualization, NFV, and cloud-native environments.
Key Features
  • Up to 50 Gb/s total bandwidth (2x 25GbE or 1x 50GbE)
  • Line speed message rate of 75 Mpps
  • PCIe Gen 4.0 x8 host interface (backward compatible with Gen3)
  • OCP 3.0 Small Form Factor for high-density servers
  • Zero-Touch RoCE - no PFC or ECN configuration required
  • ASAP² SDN acceleration for overlay networks
  • Inline hardware IPsec encryption and decryption
  • Hardware root-of-trust with secure boot and secure firmware update
  • SR-IOV and VirtIO acceleration for virtualization
  • Connection tracking hardware offload
Technology & Architecture
The ConnectX-6 Lx architecture integrates advanced acceleration engines that offload critical networking functions from the host CPU:
ASAP² Acceleration
Offloads the SDN data plane to the SmartNIC, delivering line-rate performance for overlay networks including VXLAN, GENEVE, NVGRE, MPLS, and GTP.
Zero-Touch RoCE
Eliminates the need for Priority Flow Control or Explicit Congestion Notification configuration, enabling simple, resilient RDMA deployments at scale.
Inline IPsec Crypto
Hardware-accelerated encryption and decryption (AES-XTS 256/512-bit) for secure data-in-transit with negligible performance impact.
Hardware Root-of-Trust
Secure boot using RSA cryptography and device-unique key cloning protection ensures firmware authenticity and supply chain security.
Typical Deployments
  • Enterprise Data Centers: High-performance 25/50GbE server connectivity
  • Cloud and NFV Infrastructure: SDN acceleration for virtualized environments
  • AI and Machine Learning Clusters: Low-latency RDMA for distributed workloads
  • Security-Sensitive Environments: IPsec encryption with hardware security
  • Telecommunications: NFV acceleration with MPLS, GTP, and connection tracking
Specifications
ParameterDetails
Part NumberMCX623106AN-CDAT
Product FamilyNVIDIA ConnectX-6 Lx
Ports2x 25GbE or 1x 50GbE (SFP28 / QSFP28)
Total BandwidthUp to 50 Gb/s
Message Rate75 Mpps (line rate)
Host InterfacePCIe Gen 4.0 x8 (compatible with Gen3, Gen2, Gen1)
Form FactorOCP 3.0 Small Form Factor
Crypto AccelerationInline IPsec (AES-XTS 256/512-bit)
SecurityHardware root-of-trust, secure boot, secure firmware update
RoCEZero-Touch RoCE, RoCE over IPsec
SDN OffloadASAP²: VXLAN, GENEVE, NVGRE, MPLS, GTP, VXLAN-GPE
VirtualizationSR-IOV, VirtIO acceleration
ManagementNC-SI, MCTP, PLDM
Remote BootPXE, iSCSI, UEFI (x86 and Arm)
Warranty1-year limited hardware warranty
Key Benefits
Superior Performance: 75 Mpps line-rate message processing with PCIe Gen4 x8 bandwidth
Simplified RoCE: Zero-Touch RoCE eliminates complex PFC/ECN configuration
Built-in Security: Inline IPsec, hardware root-of-trust, and secure boot
SDN Ready: ASAP² offloads overlay tunneling and SDN data plane
Optimized for Virtualization: SR-IOV and VirtIO acceleration
OCP 3.0 SFF: Open Compute Project standard form factor
Frequently Asked Questions
What is the port configuration for MCX623106AN-CDAT?
This adapter supports two ports of 25GbE (SFP28) or a single port of 50GbE (QSFP28). Please verify your specific configuration requirements before ordering.
What is Zero-Touch RoCE?
ZTR allows RoCE to operate seamlessly on existing Ethernet networks without requiring Priority Flow Control or Explicit Congestion Notification configuration, simplifying RDMA deployments.
Is this card compatible with PCIe Gen3 servers?
Yes, the adapter is PCIe Gen4 x8 and is fully backward compatible with PCIe Gen3, Gen2, and Gen1 slots.
Precautions
  • Form factor: This is an OCP 3.0 Small Form Factor adapter - ensure server compatibility
  • Power and cooling: Verify server power budget and airflow requirements
  • Firmware: Always use official NVIDIA firmware updates
  • ESD precautions: Follow standard ESD handling procedures
  • Cable compatibility: Use SFP28 or QSFP28 cables meeting IEEE specifications
Company Introduction
Hong Kong Starsurge Group Co., Limited - networking hardware and IT solutions provider
Hong Kong Starsurge Group Co., Limited is a technology-driven provider of network hardware, IT services, and system integration solutions. Founded in 2008, the company serves customers worldwide with products including network switches, NICs, wireless access points, controllers, cables, and related networking equipment.
Backed by an experienced sales and technical team, Starsurge supports industries such as government, healthcare, manufacturing, education, finance, and enterprise. The company focuses on reliable quality, responsive service, and tailored solutions for efficient, scalable network infrastructure.
Buyer Checklist
  • Confirm server has OCP 3.0 SFF slot
  • Verify required port configuration (2x 25GbE or 1x 50GbE)
  • Check PCIe slot availability (Gen4 x8 recommended)
  • Confirm OS/driver support for ConnectX-6 Lx
  • Evaluate security requirements (IPsec, RoT)
  • Consider RoCE adoption for storage/AI workloads
  • Ensure appropriate SFP28/QSFP28 optics or DAC cables
Related Products
ConnectX-6 Lx Single-Port 25GbE SmartNIC
NVIDIA BlueField-2 DPU
Mellanox MCP1600 Series 25/50GbE DAC Cables
NVIDIA Spectrum-3 25/50GbE Switches
Related Guides
Choosing Between ConnectX-6 Lx and ConnectX-6 Dx
Zero-Touch RoCE Deployment Guide
OCP 3.0 Adapter Integration Best Practices
IPsec Offload with ConnectX-6 Lx SmartNICs

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller,Other

  • Year Established:

    2008

  • Employee Number:

    50~200

  • Ecer Certification：

    Verified Supplier

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...

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  • Hong Kong Starsurge Group Co., Limited
  • FLAT 2304, 23/F HO KING, COMMERCIAL CENTRE, 2-16 FAYUEN STREET, MONG KOK KOWLOON HONG KONG
  • https://www.mellanoxnetwork.com/

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