Description
The NVIDIA Mellanox MCX631102AN-ADAT is a ConnectX-6 Lx Ethernet adapter in a low-profile PCIe HHHL form factor. It has two SFP28 ports supporting 1, 10, and 25Gb/s Ethernet and connects over PCIe Gen 4.0 x8. Crypto (IPsec offload) and Secure Boot are both disabled on this model. It ships with a tall bracket.
ConnectX-6 Lx provides RoCE for low-latency RDMA over Layer 2 and Layer 3 networks, NVGRE and VXLAN overlay offloads, Open vSwitch offload through ASAP², and SR-IOV virtualization.
Technical Specifications:
| Specification | Details |
|---|---|
| Brand | NVIDIA Mellanox |
| MPN | MCX631102AN-ADAT |
| NVIDIA SKU | 900-9X662-0053-ST1 |
| Product Type | Ethernet Adapter Card |
| Controller | ConnectX-6 Lx (MT28942A0-YCCF-AE) |
| Form Factor | PCIe HHHL, 3.79 x 2.71 in (96.30 x 68.90mm) |
| Ports | 2 x SFP28 (copper and optical) |
| Ethernet Data Rate | 1/10/25Gb/s |
| Host Interface | PCIe Gen 3.0/4.0, 16.0GT/s x8 |
| Crypto (IPsec Offload) | Disabled |
| Secure Boot | Disabled |
| Bracket | Tall bracket |
| Key Features | RoCE, ASAP² OVS offload, SR-IOV, NVGRE/VXLAN offload, IEEE 1588v2, jumbo frames (9.6KB) |
| Typical Power (passive cables) | 10.73W (Gen 3.0); 11.53W (Gen 4.0) |
| Maximum Power (passive cables) | 12.14W (Gen 3.0); 12.94W (Gen 4.0) |
| Airflow (heatsink to port, 55°C) | 300LFM passive; 350LFM 0.8W active; 400LFM 1.5W active |
| Operating Temperature | 0°C to 55°C |
| Non-Operating Temperature | -40°C to 70°C |
| Operating Humidity | 10% to 85% RH |
| Operating Altitude | 3050m |
| Safety / EMC | CB, cTUVus, CE / CE, FCC, VCCI, ICES, RCM |
| Compliance | RoHS |
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
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Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
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