RFQ
01Part-number led inquiry path
MCX631432AN-ADAB can be used as the direct starting point for quotation, BOM sharing and availability discussion.
Dual-port 25/50GbE SmartNIC with PCIe Gen4, IPsec encryption, and Zero-Touch RoCE. Ideal for cloud, enterprise, and NFV workloads with 75Mpps throughput.
RFQ
Inquiry ready
Clear path for part number, quantity and BOM-led contact.
EN / AR
Bilingual buyer flow
Useful for procurement teams coordinating technical review across regions.
Datasheet available
The product datasheet can be downloaded directly from this page.

Selected specs
PCIe Low Profile (also available in OCP 3.0 SFF)
2x 10/25GbE or 1x 50GbE (SFP28 / QSFP28 depending on SKU variant)
PCIe Gen4 x8 (compatible with PCIe Gen3 x8)
Zero-Touch RoCE, RoCE Congestion Control, IPsec over RoCE
Inline IPsec (AES-XTS 256/512-bit), hardware root-of-trust, secure firmware update
VXLAN, GENEVE, NVGRE, MPLS, GTP; ASAP2 connection tracking and stateful firewall
SR-IOV (up to 256 VFs), VirtIO acceleration, Netronome-compatible flow API
NC-SI, MCTP over SMBus/PCIe, PLDM for monitor/control and firmware update (DSP0248, DSP0267)
Deployment fit
Cloud and Enterprise Data Centers: Accelerate Open vSwitch (OVS) and SDN controllers; offload connection tracking for stateful firewalls.
Follow-up path
Quote / Compatibility / Availability
Prepared for part-number led and BOM-led requests

Product media
When product photography is available it appears here for faster review, and a clean technical outline remains useful for early evaluation when imagery is limited.
Overview
NVIDIA ConnectX-6 Lx Ethernet SmartNICs bring breakthrough efficiency to 25GbE deployments. The model MCX631432AN-ADAB is a PCIe low-profile form factor adapter equipped with advanced ASAP2 acceleration, hardware root-of-trust, and full support for RoCE (RDMA over Converged Ethernet). Whether you are virtualizing network functions, securing east-west traffic, or building a high-frequency trading environment, this SmartNIC offloads the data plane and ensures line-rate performance at up to 75 million packets per second (Mpps). Ideal for enterprises, telecom CSPs, and cloud providers looking to optimize server utilization without compromising security or scalability.
Buying flow
This section gives buyers a practical handoff from technical review into quotation or compatibility follow-up.
Start from MCX631432AN-ADAB or the product name to reduce ambiguity before quotation starts.
Share quantity, destination or BOM context so the commercial follow-up is aligned with the project scope.
Use the page as the handoff point for stock discussion, compatibility checks and delivery planning.
Trust signals
The page is designed to reduce the distance between specification review and a real commercial inquiry.
RFQ
01MCX631432AN-ADAB can be used as the direct starting point for quotation, BOM sharing and availability discussion.
Review
02The NVIDIA ConnectX-6 Lx MCX631432AN-ADAB 25/50GbE SmartNIC page is positioned to support compatibility questions and project-fit review before commercial action is finalized.
Project
03This model can be framed against use cases such as Cloud and Enterprise Data Centers: Accelerate Open vSwitch (OVS) and SDN controllers; offload connection tracking for stateful firewalls. together with quantity and rollout timing.
Language
04The bilingual route supports regional buying teams that need technical review and RFQ handling in two languages.
FAQ
Short answers that give buyers clearer expectations before they move into the quote form.
Yes. This page is designed to move MCX631432AN-ADAB review directly into quotation, availability or BOM discussion.
Yes. The page can be used to frame compatibility questions around Cloud and Enterprise Data Centers: Accelerate Open vSwitch (OVS) and SDN controllers; offload connection tracking for stateful firewalls. before commercial follow-up.
Yes. Related products within the same category give buyers an internal comparison path before they submit an inquiry.
Yes. The inquiry path is designed to accept part numbers, quantity, BOM context and availability requirements in one submission.
Related products
Internal links that support model comparison and adjacent product discovery.
Dual-port 100GbE PCIe adapter with RoCE, 750ns latency, 200Mpps throughput. Ideal for AI, cloud, and storage with NVMe-oF, SR-IOV, and ASAP2 offloads.

Dual-port 10GbE SFP28 adapter with RoCE, SR-IOV virtualization, and VXLAN offloads. Ideal for cloud, storage, and database servers requiring low latency.

High-performance OCP 3.0 SmartNIC with 25/50GbE ports, PCIe Gen4, IPsec encryption, and SDN acceleration for cloud data centers.

Dual-port 200Gb/s InfiniBand smart adapter with PCIe 4.0 support, hardware encryption, and in-network computing for HPC and AI workloads.

High-performance 400Gb/s dual-port adapter with PCIe 5.0 x16, hardware security offloads, and NVMe-oF support for AI/HPC data centers.

Dual-port 400Gb/s InfiniBand & RoCE smart adapter with PCIe Gen5 x16, GPUDirect RDMA, and hardware security offloads for AI, HPC, and cloud data centers.

800Gb/s AI networking adapter with PCIe Gen6, InfiniBand/Ethernet support, and GPUDirect RDMA for hyperscale AI data centers.

800Gb/s dual-port AI networking adapter with PCIe Gen6, InfiniBand/Ethernet support, and GPUDirect RDMA for hyperscale GPU clusters.

High-performance 100Gb/s InfiniBand adapter with PCIe 3.0 x16, QSFP28 port, RDMA, and NVMe-oF offloads for HPC and AI workloads.

High-performance dual-port 100Gb/s InfiniBand & Ethernet NIC with RDMA offloads, ideal for HPC, AI, and cloud data centers. PCIe 4.0 ready.

NVIDIA MCX653106A-HDAT ConnectX-6 dual-port 200Gb/s InfiniBand/Ethernet smart adapter.

MCX631432AN-ADAB
Quick quote