| Type | Network Interface Card (NIC) |
| Form Factor | OCP Mezzanine 2.0 (OCP NIC 2.0) |
| Max Data Rate | 25 Gbps |
| Bracket | Bracketless design |
| Bus Interface | PCI Express 3.0 x8 |
| Host Management Support | Yes |
| Power Consumption | 6.5W (typical) |
| Product Model | MCX4411A-ACQN |
| Chipset | NVIDIA ConnectX-4 Lx |
NVIDIA ConnectX-4 Lx EN 25GbE OCP SFP28 NIC with Host Management

Key Benefits
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- Delivers high-speed 25GbE connectivity ideal for data center and cloud applications
- OCP and bracketless design ensures seamless integration into modern open hardware infrastructures
- TAA and ROHS R6 compliance makes it suitable for enterprise and government procurement
Product Overview
The NVIDIA ConnectX-4 Lx EN 25GbE network interface card, model MCX4411A-ACQN, is a high-performance OCP-compliant NIC designed for modern data centers. It features a single-port SFP28 interface capable of 25 Gigabit Ethernet, host management support, and uses a PCIe 3.0 x8 interface to maximize throughput. Engineered without a bracket, this design supports space-constrained environments and complies with both ROHS R6 and TAA standards. Built in Israel, it is ideal for scalable, high-throughput networking in OCP platforms.
Specifications
Product Overview
Physical & Environmental
| Dimensions (H x W) | 69.2 mm x 85.6 mm |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -40°C to 70°C |
| Operating Humidity | 10% to 90% non-condensing |
| Storage Humidity | 5% to 95% non-condensing |
Cloud Management & Licensing
| Management Interface | Host Management (OCP-compliant) |
| Supported Management Protocols | NC-SI, MCTP over SMBus/I2C |
| Firmware Upgradeable | Yes |
| Driver Support | Linux, Windows, VMware |
Interfaces
| Interface Type | SFP28 |
| Number of Ports | 1 |
| Port Speed | 25GbE |
| Connector Type | SFP28 |
| Supported Ethernet Speeds | 1GbE, 10GbE, 25GbE |
| PCIe Interface | PCIe 3.0 x8 |
| Ethernet Standards | IEEE 802.3by, 802.3ae, 802.3ap |
Compliance & Origin
| Country of Origin | Israel |
| Trade Agreements Act (TAA) Compliant | Yes |
| RoHS Compliance | RoHS R6 |
| EMC Certifications | EN55032, EN55024, FCC Part 15B Class A |
| Safety Certifications | CB, cTUVus |
Advanced Security Features
| Secure Firmware Updates | Yes |
| Hardware Root of Trust | Yes |
| Secure Boot | Yes |
| Isolation Capabilities | SR-IOV and VLAN support |
| Access Control | Flow Filtering and VXLAN/GENEVE Offloads |