Product Type | Network Adapter |
Name | Lenovo 10/25GbE SFP28 2-Port PCIe Ethernet Adapter |
Manufacturer | Lenovo |
Manufacturer Part Number | 4XC7A08249 |
UPC | 889488497379 |
Supported Ethernet Speeds | 10/25 Gigabit Ethernet |
Bus Type | PCI Express 3.0 x8 |
Controller | Mellanox ConnectX-4 Lx |
Designed For | Lenovo ThinkSystem Servers |
Form Factor | Plug-in card, low-profile and full-height brackets included |
Bracket Height | Low-profile and full-height |
Power Consumption | Up to 9.4 W |
Cooling | Passive |
Lenovo 10/25GbE SFP28 2-Port PCIe Ethernet Adapter





Key Benefits

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- Delivers high-bandwidth 25GbE performance essential for modern virtualization and cloud applications
- Lenovo ThinkSystem compatibility ensures seamless integration into enterprise server environments
- Dual-port configuration supports redundancy and efficient link aggregation
Product Overview
The Lenovo ThinkSystem Mellanox ConnectX-4 Lx 10/25GbE 2-port PCIe Ethernet Adapter is a powerful solution built to address high-density networking requirements in modern server infrastructures. Equipped with dual SFP28 ports, this adapter enables high-speed connectivity options at 10 and 25 Gbps, making it an excellent choice for bandwidth-intensive applications such as virtualization, cloud computing, and high-performance storage networks.
Leveraging PCI Express technology and support for 25 Gigabit Ethernet data link protocol, the adapter ensures minimal latency while maximizing throughput, which is crucial for optimizing enterprise-level workloads. Its compact form factor fits most system designs while maintaining a balance between power and performance. Designed with network scalability in mind, the adapter provides the flexibility needed to meet evolving network demands.
Though the country of origin (COO) and TAA compliance status are not specified, this unit is part of Lenovo’s ThinkSystem portfolio and integrates seamlessly into environments already leveraging Lenovo server hardware. Built for IT professionals and system integrators focused on reliable and scalable data center solutions, this adapter is geared toward performance and operational efficiency.
Specifications
Product Overview
Advanced Security Features
Secure Boot Support | Yes |
SR-IOV Support | Yes |
VLAN Tagging | Yes |
Traffic Encryption | IPsec offload support |
Quality of Service (QoS) | Yes |
MACSec Support | Yes |
Physical & Environmental
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 85% (non-condensing) |
Dimensions (W x D) | 69 mm x 168 mm |
Weight | 0.23 lb (0.11 kg) |
Interfaces
Number of Ports | 2 |
Port Type | SFP28 |
Interface Type | PCIe 3.0 x8 |
Data Transfer Rate | 25 Gbps per port |
Data Link Protocol | 10/25 Gigabit Ethernet |
Supported Cabling Type | Direct Attach Copper (DAC), Fiber Optic (with transceivers) |
Connector Type | SFP28 |
PCIe Slot Compatibility | x8 or x16 slots |
Cloud Management & Licensing
RDMA Support | Yes, RoCE v1/v2 |
Virtualization Support | VMware NetQueue, Microsoft VMQ |
Network Management | Supported via vendor tools and OS utilities |
Compliance & Origin
Country of Origin | Inquire |
TAA Compliant | Inquire |
RoHS Compliant | Yes |
Certifications | FCC, CE, VCCI, RCM, UL, BSMI |
Environmental Standards | EU RoHS, REACH |