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25G Ethernet SmartNIC with RoCE and SDN Acceleration NVIDIA ConnectX-6 Lx MCX631102AN-ADAT
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: | 25G Ethernet SmartNIC with RoCE,NVIDIA ConnectX-6 Lx network card,SmartNIC with SDN acceleration |
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Product Description
NVIDIA ConnectX-6 Lx MCX631102AN-ADAT SmartNIC
25GbE Ethernet Adapter · Single-Port SFP28 · PCIe Gen4 x8
Cost-effective, secure, and accelerated 25GbE networking for modern enterprise data centers. RoCE, SDN offload, hardware root-of-trust, and low-profile OCP 3.0 form factor.
Product Overview
The NVIDIA ConnectX-6 Lx MCX631102AN-ADAT is a single-port 25Gb/s Ethernet SmartNIC designed for cloud and enterprise data centers. It delivers up to 25Gb/s bandwidth with PCIe Gen4 x8 host interface, offering advanced acceleration for SDN, RoCE, and security workloads. With ASAP² offload, connection tracking, and hardware root-of-trust, the ConnectX-6 Lx reduces CPU overhead while enhancing performance and scalability. This OCP 3.0 SFF adapter is ideal for high-density server deployments requiring cost-effective 25G connectivity.
Key Features
- 25Gb/s single-port SFP28 connectivity
- PCIe Gen4 x8 (backward compatible with Gen3)
- Line rate 75Mpps message rate
- Advanced RoCE with Zero-Touch RoCE (ZTR)
- ASAP² SDN & VNF acceleration
- Overlay tunneling: VXLAN, GENEVE, NVGRE
- Connection tracking (L4 firewall)
- Hardware root-of-trust, secure boot & firmware update
- SR-IOV, VirtIO acceleration
- OCP 3.0 Small Form Factor (SFF)
Technology & Acceleration
ASAP² (Accelerated Switch and Packet Processing)
Offloads SDN data plane to the SmartNIC, accelerating performance and freeing CPU resources in virtualized/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 networks.
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.
Typical Deployments
Enterprise Data Centers
High-performance 25G server connectivity for web, database, and storage workloads.
Cloud & NFV
Accelerated virtual networking, VNF offload, and connection tracking for firewalls.
AI/ML Clusters
RoCE-based low-latency storage and compute fabrics.
Edge Computing
25G connectivity for edge nodes with OCP 3.0 form factor.
Security Appliances
Connection tracking and secure boot for trusted networking.
Specifications
| Parameter | Details |
|---|---|
| Product | NVIDIA ConnectX-6 Lx MCX631102AN-ADAT |
| Port configuration | Single-port 25GbE (SFP28) |
| Total bandwidth | Up to 25Gb/s |
| Host interface | PCIe Gen4 x8 (backward compatible with Gen3) |
| Message rate | 75 Mpps line rate |
| RoCE | RoCEv2, Zero-Touch RoCE (ZTR) |
| Security | Hardware root-of-trust, secure boot, signed firmware (non-crypto version) |
| 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 |
|---|---|---|---|---|
| MCX631102AN-ADAT | ConnectX-6 Lx, 25GbE, single-port SFP28, PCIe Gen4 x8, OCP 3.0, Non-Crypto | 1*25G | OCP 3.0 SFF | No |
| MCX631102AN-CDAT | ConnectX-6 Lx, 25GbE, single-port SFP28, PCIe Gen4 x8, OCP 3.0, Crypto | 1*25G | OCP 3.0 SFF | Yes (IPsec) |
| MCX631102AN-ADAI | ConnectX-6 Lx, 25GbE, single-port SFP28, PCIe Gen4 x8, PCIe LP, Non-Crypto | 1*25G | PCIe Low-Profile | No |
| MCX631102AN-CDAI | ConnectX-6 Lx, 25GbE, single-port SFP28, PCIe Gen4 x8, PCIe LP, Crypto | 1*25G | PCIe Low-Profile | Yes (IPsec) |
| MCX631102AN-ADAB | ConnectX-6 Lx, 25GbE, single-port SFP28, PCIe Gen4 x8, OCP 3.0, Non-Crypto (alternative) | 1*25G | OCP 3.0 SFF | No |
For other part numbers and configurations, contact NVIDIA sales or visit the official ConnectX-6 Lx user manuals.
Advantages
- Cost-effective 25G upgrade: Delivers next-gen performance with PCIe Gen4 and single-port SFP28.
- Reduced CPU overhead: Offloads SDN, security, and storage (RoCE) processing to hardware.
- Simplified RoCE deployment: Zero-Touch RoCE eliminates complex PFC/ECN tuning.
- Built-in security: Hardware root-of-trust protects firmware integrity and enables secure boot.
- Future-proof: Supports overlay tunneling, connection tracking, and programmable parser.
- Ecosystem ready: Works with leading hypervisors, containers, and orchestration platforms.
Frequently Asked Questions (FAQ)
Q: What is the port configuration on MCX631102AN-ADAT?
A: It features a single SFP28 port for 25GbE connectivity.
Q: Does this model include IPsec crypto?
A: No, this is the non-crypto variant (ADAT). For IPsec acceleration, order the CDAT version.
Q: Does it support RoCE?
A: Yes, with advanced RoCEv2 and Zero-Touch RoCE for simplified deployment.
Q: What is ASAP²?
A: Accelerated Switch and Packet Processing – offloads SDN data plane, overlay tunnels, and connection tracking.
Q: What form factor is this card?
A: OCP 3.0 Small Form Factor (SFF).
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.
- Verify PCIe slot supports Gen4 x8 (or Gen3 x8) and provides sufficient power.
- Update firmware only with signed, authenticated images from NVIDIA.
- Handle the card with ESD precautions to avoid damage.
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 Facts
- Product: NVIDIA ConnectX-6 Lx MCX631102AN-ADAT
- Type: Ethernet SmartNIC
- Ports: 1*25G SFP28
- Host: PCIe Gen4 x8
- Security: RoT, secure boot (non-crypto)
- 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
- SFP28 optics & DAC cables
Buyer Checklist
- Confirm 25G speed and SFP28 optics/DAC type
- Verify PCIe slot (Gen4 x8 recommended)
- Check server cooling and airflow
- Confirm OS and driver support
- Determine if IPsec crypto is required (choose CDAT if needed)
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