Product Type | Network Adapter |
Form Factor | Plug-in card |
Interface Type | PCI Express 3.0 x8 |
Connectivity Technology | Wired |
Product Series | ConnectX-4 Lx |
Manufacturer Part Number | 01GR250 |
Power Consumption | 9.5 W typical |
Hot-Plug Support | Yes |
Form Factor (SFP28) | Low-profile PCIe with SFP28 cages |
Lenovo Mellanox ConnectX-4 Lx 2x25GbE SFP28 Network Adapter





Key Benefits

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- Optimized for high-bandwidth applications with support for dual 25GbE ports
- Ensures regulatory compliance with TAA certification
- Flexible speed compatibility with 10GbE and 25GbE for scalable deployments
Product Overview
The Lenovo Mellanox ConnectX-4 Lx 2x25GbE SFP28 Network Adapter delivers dual high-speed 25GbE Ethernet ports over SFP28 connections. Built for data center and enterprise applications, it supports both 10GbE and 25GbE data link protocols and is compliant with TAA requirements. With up to 25 Gbps transfer rate, this wired adapter is an excellent choice for latency-sensitive and bandwidth-intensive networks.
Specifications
Product Overview
Wireless Features
Wireless Capability |
Compliance & Origin
Country of Origin | Mexico |
TAA Compliant | Yes |
RoHS Compliance | Yes |
ETL Certified | Yes |
FCC Class | Class A |
EMC Standards | EN55032, EN55024 |
Certifications | CE, FCC, VCCI, RCM |
Advanced Security Features
PXE Boot Support | Yes |
Secure Boot Support | Yes |
Isolation and Security Features | SR-IOV, VXLAN/GRE Offloads, ACLs |
Offload Capabilities | Checksum and segmentation offload, RDMA over Converged Ethernet (RoCE) |
Interfaces
Port Type | SFP28 |
Ports | 2 x 25 Gigabit Ethernet |
Data Transfer Rate | 25 Gbps per port |
Backward Compatibility | 10 GbE |
Data Link Protocols | 10 Gigabit Ethernet, 25 Gigabit Ethernet |
PCIe Interface | PCIe 3.0 x8 |
Transport Protocol | Gigabit Ethernet |
Supported Ethernet Standards | IEEE 802.3by, IEEE 802.3ae, IEEE 802.1Q |
Physical & Environmental
Dimensions (W x D) | 6.6 in x 2.71 in |
Operating Temperature Range | 0°C to 55°C (32°F to 131°F) |
Storage Temperature Range | -40°C to 70°C (-40°F to 158°F) |
Relative Humidity (Operating) | 10% to 90% non-condensing |
Relative Humidity (Non Operating) | 5% to 95% non-condensing |
Cloud Management & Licensing
Remote Management Support | Yes, via host OS or platform software |
Supported Virtualization Platforms | VMware ESXi, Microsoft Hyper-V, Linux KVM |
SR-IOV Support | Yes |
Management Software | Mellanox Firmware Tools (MFT) |
Firmware Upgrade Support | Yes |