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NVIDIA ConnectX-6 Lx MCX623106AN-CDAT 25/50G Crypto SmartNIC
Product Details:
| Brand Name: | Mellanox |
| Model Number: | MCX631102AN-ADAT |
| Document: | connectx-6-infiniband.pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1pcs |
|---|---|
| Price: | Negotiate |
| Packaging Details: | outer box |
| Delivery Time: | Based on inventory |
| Payment Terms: | T/T |
| Supply Ability: | Supply by project/batch |
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Detail Information |
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| Products Status: | Stock | Condition: | New And Original |
|---|---|---|---|
| Technology: | Ethernet | Network Interface: | Two SerDes Lanes Supporting 25Gb/s Per Lane, For Various Port Configurations: -2x 10/25 GbE -1x 50GbE |
| 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 | Speed: | 25Gbps |
| Connectors: | 2 X SFP28 | Interface: | PCIe 4.0 X8 |
| Highlight: | Nvidia ConnectX-6 Lx 25G SmartNIC,Nvidia MCX623106AN-CDAT Crypto Network Card,50G SmartNIC with crypto acceleration |
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Product Description
NVIDIA ConnectX-6 Lx MCX623106AN-CDAT SmartNIC
High-performance 25/50GbE dual-port Ethernet adapter with PCIe Gen4 x8 interface, featuring advanced IPsec crypto acceleration, RoCE technology, and OCP 3.0 form factor for modern enterprise data centers.
Product Overview
The NVIDIA ConnectX-6 Lx MCX623106AN-CDAT is a dual-port 10/25GbE or single-port 50GbE Ethernet SmartNIC engineered for cloud and enterprise data centers. Delivering up to 50Gb/s total bandwidth with PCIe Gen4 x8 host interface, this adapter provides advanced acceleration for SDN, RoCE, and security workloads. The crypto variant includes inline hardware IPsec encryption/decryption, hardware root-of-trust, and secure boot capabilities. With ASAP² offload and connection tracking, the ConnectX-6 Lx significantly reduces CPU overhead while enhancing performance and scalability in high-density server deployments.
Key Features
- Up to 50Gb/s total bandwidth (2×25G or 1×50G configuration)
- Dual-port SFP28 supporting 10/25GbE or single-port 50GbE operation
- PCIe Gen4 x8 host interface (backward compatible with Gen3)
- Line rate 75Mpps message rate for high-performance networking
- Advanced RoCE with Zero-Touch RoCE (ZTR) technology
- ASAP² SDN & VNF acceleration for virtualized environments
- Inline IPsec encryption/decryption with AES-XTS 256/512-bit security
- Overlay tunneling support for VXLAN, GENEVE, and NVGRE
- Connection tracking for L4 firewall offload
- Hardware root-of-trust, secure boot, and signed firmware
- SR-IOV and VirtIO acceleration for virtualization
- OCP 3.0 Small Form Factor (SFF) design
Technology & Acceleration
ASAP² (Accelerated Switch and Packet Processing)
Offloads SDN data plane to the SmartNIC, accelerating performance and freeing CPU resources in virtualized and containerized environments. Supports VXLAN, GENEVE, NVGRE, MPLS, and GTP encapsulations.
Zero-Touch RoCE (ZTR)
Simplifies RDMA over Converged Ethernet deployments without requiring PFC or ECN configuration, enabling seamless RoCE payloads on existing network infrastructure.
Inline IPsec Crypto
Provides hardware-accelerated encryption/decryption for IPsec traffic with AES-XTS 256/512-bit keys, ensuring data privacy without performance compromise.
Hardware Root-of-Trust
Ensures supply chain security via secure boot, authenticated firmware updates (RSA), and device-unique key cloning protection.
Connection Tracking
Offloads stateful L4 firewall processing, improving security and performance for virtualized workloads and network functions.
Typical Deployments
- Enterprise Data Centers: High-performance 25G/50G server connectivity with built-in IPsec security
- Cloud & NFV: Accelerated virtual networking, VNF offload, and connection tracking for firewalls
- AI/ML Clusters: RoCE-based low-latency storage and compute fabrics
- Secure Edge & Telecom: 5G UPF, MEC, and carrier-grade NFV with IPsec protection
- Security Appliances: IPsec offload for VPN gateways and encrypted interconnects
Technical Specifications
| Parameter | Details |
|---|---|
| Product | NVIDIA ConnectX-6 Lx MCX623106AN-CDAT |
| Port configuration | Dual-port 10/25GbE or single-port 50GbE (SFP28) |
| Total bandwidth | Up to 50Gb/s |
| Host interface | PCIe Gen4 x8 (backward compatible with Gen3) |
| Message rate | 75 Mpps line rate |
| RoCE | RoCEv2, Zero-Touch RoCE (ZTR) |
| Security | Inline IPsec (AES-XTS 256/512-bit), hardware root-of-trust, secure boot, signed firmware |
| SDN offload | ASAP² (VXLAN, GENEVE, NVGRE, MPLS, GTP, connection tracking) |
| Virtualization | SR-IOV, VirtIO acceleration |
| Management | NC-SI, MCTP over SMBus/PCIe, PLDM (DSP0248, DSP0267) |
| Remote boot | iSCSI, PXE, UEFI (x86/ARM) |
| Form factor | OCP 3.0 SFF |
| Operating temperature | 0°C to 55°C (typical, depending on airflow) |
| Power consumption | Please confirm before ordering (varies by configuration) |
Note: Some parameters depend on system configuration. Please confirm with your sales representative.
Ordering Information & Variants
| Part Number | Description | Ports | Form Factor | Crypto |
|---|---|---|---|---|
| MCX623106AN-CDAT | ConnectX-6 Lx, 25/50GbE, dual-port SFP28, PCIe Gen4 x8, OCP 3.0, Crypto | 2×25G / 1×50G | OCP 3.0 SFF | Yes (IPsec) |
| MCX623106AN-ADAT | ConnectX-6 Lx, 25/50GbE, dual-port SFP28, PCIe Gen4 x8, OCP 3.0, Non-Crypto | 2×25G / 1×50G | OCP 3.0 SFF | No |
| MCX623106AN-CDAI | ConnectX-6 Lx, 25/50GbE, dual-port SFP28, PCIe Gen4 x8, PCIe LP, Crypto | 2×25G / 1×50G | PCIe Low-Profile | Yes (IPsec) |
| MCX623106AN-ADAI | ConnectX-6 Lx, 25/50GbE, dual-port SFP28, PCIe Gen4 x8, PCIe LP, Non-Crypto | 2×25G / 1×50G | PCIe Low-Profile | No |
| MCX631102AN-CDAT | ConnectX-6 Lx, 25GbE, single-port SFP28, OCP 3.0, Crypto | 1×25G | OCP 3.0 SFF | Yes (IPsec) |
For other part numbers and configurations, contact NVIDIA sales or visit the official ConnectX-6 Lx user manuals.
Key Advantages
- Cost-effective 25G/50G upgrade: Delivers next-generation performance with PCIe Gen4 and flexible port speeds
- Reduced CPU overhead: Offloads SDN, security (IPsec), and storage (RoCE) processing to hardware
- Simplified RoCE deployment: Zero-Touch RoCE eliminates complex PFC/ECN tuning requirements
- Built-in data security: Inline IPsec encryption and hardware root-of-trust protect data and firmware integrity
- Future-proof architecture: Supports overlay tunneling, connection tracking, and programmable parser
- Ecosystem ready: Works with leading hypervisors, containers, and orchestration platforms
Service & Support
Hong Kong Starsurge Group provides comprehensive pre-sales and after-sales support for NVIDIA SmartNICs:
- Technical consultation: Compatibility verification, performance tuning, and deployment planning
- Global logistics: Fast, tracked delivery to over 60 countries with secure packaging
- Warranty: Standard NVIDIA warranty, extended support available upon request
- RMA support: Streamlined return process for defective units
Frequently Asked Questions
What are the port options on MCX623106AN-CDAT?
It supports two ports of 10/25GbE or a single port of 50GbE using SFP28 optics or DAC cables.
Does this model include IPsec acceleration?
Yes, this is the crypto variant with inline hardware IPsec encryption/decryption using AES-XTS 256/512-bit security.
Does it support RoCE?
Yes, with advanced RoCEv2 and Zero-Touch RoCE for simplified deployment without complex network configuration.
What is ASAP²?
Accelerated Switch and Packet Processing - offloads SDN data plane, overlay tunnels, and connection tracking to the SmartNIC hardware.
What form factor is this card?
OCP 3.0 Small Form Factor (SFF). Also available in PCIe Low-Profile variants for different server configurations.
Installation Precautions
- Ensure adequate airflow and cooling in the server chassis; operating temperature depends on system environment
- Use compatible SFP28 transceivers or DAC cables for optimal signal integrity and performance
- Verify PCIe slot supports Gen4 x8 (or Gen3 x8) and provides sufficient power delivery
- Update firmware only with signed, authenticated images from NVIDIA to maintain security
- Handle the card with ESD precautions to avoid damage to sensitive components
About Hong Kong Starsurge Group
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 also offers IoT solutions, network management systems, custom software development, multilingual support, and global delivery. With a customer-first approach, Starsurge focuses on reliable quality, responsive service, and tailored solutions that help clients build efficient, scalable, and dependable network infrastructure.
Key Product Facts
- Product: NVIDIA ConnectX-6 Lx MCX623106AN-CDAT
- Type: Ethernet SmartNIC (Crypto)
- Ports: 2×25G / 1×50G SFP28
- Host: PCIe Gen4 x8
- Security: IPsec, Hardware Root-of-Trust, secure boot
- RoCE: Zero-Touch RoCE
- Form Factor: OCP 3.0 SFF
Compatibility Matrix
- NVIDIA Spectrum™ switches
- BlueField® DPU platforms
- Standard PCIe Gen4/Gen3 servers
- Linux, Windows Server, VMware ESXi operating systems
- SFP28 optics & DAC cables
Buyer Checklist
- ✓ Confirm port speed (25G or 50G) and SFP28 optics/DAC type requirements
- ✓ Verify PCIe slot compatibility (Gen4 x8 recommended for optimal performance)
- ✓ Check server cooling and airflow specifications
- ✓ Confirm operating system and driver support
- ✓ Verify IPsec crypto functionality is required (this model includes it)
Related Products
- ConnectX-6 Lx MCX623106AN-ADAT (Non-Crypto version)
- ConnectX-6 Lx MCX631102AN-CDAT (Single-port crypto variant)
- BlueField-2 DPU
- 25G SFP28 SR/LR transceivers
Related Guides
- SmartNIC selection guide
- RoCE deployment best practices
- IPsec offload configuration
- OCP 3.0 card installation guide
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