| 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 |