| Product Type | Ethernet Adapter |
| Model Number | 4XC7A62574 |
| Brand | Lenovo |
| Series | Mellanox ConnectX-5 EN |
| Adapter Type | PCI Express Network Interface Card |
| Form Factor | SFP28 low-profile PCIe card |
| Bus Interface | PCIe 3.0 x8 |
| Processor | Mellanox ConnectX-5 |
| Port Count | 2 |
| Supported Network Speeds | 10 GbE / 25 GbE |
| Bracket | Low Profile (with optional full-height bracket available) |
| Power Consumption | Up to 9.2W |
| RoHS Compliant | Yes |
Lenovo M CX5 EN 10/25Gb 2-Port PCIe Ethernet Adapter

Key Benefits
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- Supports scalable 10/25Gb Ethernet performance ideal for modern enterprise tasks
- Compatible SFP28 form factor maximizes deployment flexibility across environments
- Backed by Lenovo's quality standards for seamless server integration and performance
Product Overview
The Lenovo M CX5 EN 10/25Gb 2-Port PCIe Ethernet Adapter is engineered to meet the high-speed networking demands of modern data centers and enterprise IT infrastructures. Offering dual ports and supporting either 10Gb or 25Gb Ethernet over a PCIe interface, this adapter provides the scalable performance needed to handle virtualization, AI workloads, and large-scale data transfers. Its SFP28 form factor ensures compatibility with a wide range of fiber and copper transceivers, optimizing deployment flexibility.
Optimized for high-bandwidth and low-latency environments, this adapter makes an excellent choice for enterprises with workload-intensive applications such as database management, HPC (High-Performance Computing), and storage area networks. Built under the Lenovo quality framework and compatible with Lenovo systems, the 4XC7A62574 model ensures seamless integration and reliable performance. With 10/25Gb capability, it supports future-ready networking infrastructure. Information on TAA compliance and Country of Origin is not available.
Specifications
Product Overview
Wireless Features
| Wireless Capability |
Compliance & Origin
| TAA Compliant | |
| Country of Origin | |
| Certifications | FCC, CE, VCCI, RCM, BSMI, KC |
| EMC Standards | EN 55032 Class A, EN 55024 |
| Safety Standards | UL, cUL, CB |
Advanced Security Features
| Network Virtualization | VXLAN, NVGRE, GENEVE offloads |
| SR-IOV Support | Yes |
| Secure Boot Support | Yes |
| Hardware Root of Trust | Yes |
Interfaces
| Host Bus Interface | PCI Express 3.0 x8 |
| Network Interface | 2 x SFP28 |
| Connector Type | SFP28 |
| Data Transfer Rate | Up to 25 Gbps per port |
| Compatible Network Protocols | IEEE 802.3, 802.3ae, 802.3ap, 802.3aq, 802.1Q, 802.1p, 802.1Qbb, 802.1Qaz |
| Supported Cable Types | Fiber and DAC (Direct Attach Copper) |
Physical & Environmental
| Dimensions (H x L) | 68.9 mm x 167.6 mm |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity | 10% to 85% non-condensing |
| Storage Humidity | 5% to 95% non-condensing |
| Cooling | Passive |
Cloud Management & Licensing
| Remote Management | Supported via system BIOS or OS-level drivers |
| Management Software | Mellanox NEO (via OS) |
| License Required | No additional license required |
| Driver Support | Linux, Windows Server, VMware ESXi |