Lenovo 25Gigabit Ethernet Card

Overview

The Lenovo 4XC7A08295 is a 25 Gigabit Ethernet card designed to upgrade server network capabilities with high-speed and reliable connectivity. It fits into a PCI Express 4.0 x8 slot and features the Intel E810-DA2 controller, enabling data transfer rates up to 3.13 GB per second over 25GBase-X fiber connections. This card is ideal for data centers and enterprise environments that require efficient traffic handling and low latency.

Key features

• Dual SFP28 fiber ports provide flexible 25 GbE connections for high bandwidth and low latency networking
• Intel E810-DA2 controller ensures stable and efficient data processing for demanding server workloads
• Supports link aggregation to combine ports for increased throughput or to separate networks for redundancy and traffic isolation
• Fiber interface maintains signal integrity over long distances and resists electromagnetic interference common in copper cabling
• Simple installation into a PCI Express 4.0 x8 slot with compatibility for SFP28 optical transceivers or direct-attach cables

Key specs

• Interface: PCI Express 4.0 x8
• Controller: Intel E810-DA2
• Ports: 2 x SFP28 fiber
• Network standard: 25GBase-X
• Maximum data transfer rate: 3.13 GB per second

Connectivity and compatibility

This Ethernet card connects to servers via a PCI Express 4.0 x8 slot and supports 25 GbE fiber links through its two SFP28 ports. It works with compatible SFP28 optical transceivers or direct-attach cables, making it suitable for integration with modern 25 GbE switches and network infrastructure. The fiber-based connection ensures reliable performance in environments where electromagnetic interference or long cable runs are concerns.

Ideal uses and environments

The Lenovo 4XC7A08295 excels in data center and enterprise server setups that demand fast and consistent network throughput. It supports virtual machine clusters by efficiently managing traffic, benefits high performance computing nodes with low-latency data sharing, and accelerates backup or replication tasks for storage arrays. This card is a strong choice for IT teams looking to upgrade from 10 GbE to 25 GbE without complexity.