Lenovo Intel I350-T4 4-Port Ethernet Expansion Card

Overview

The Lenovo 4XC0R41416 is a four-port Gigabit Ethernet expansion card designed to enhance network capacity for compatible desktops and workstations. Powered by the Intel I350 controller, it fits into a PCI Express 2.1 slot and provides four independent RJ-45 ports, each capable of delivering up to 1 Gbps. This card is ideal for environments that require reliable, segmented network connections, such as virtualization platforms, small business servers, and data-intensive applications.

Key features

• Four independent Gigabit Ethernet ports that support 10, 100, and 1000 Mbps speeds for versatile network configurations
• Intel I350 chipset ensures stable and consistent throughput for demanding workloads and multitasking
• Plug-and-play installation into a standard PCI Express 2.1 slot allows for quick and easy deployment
• Energy Efficient Ethernet technology reduces power consumption during periods of low network activity
• Bridgeless architecture minimizes latency and supports uninterrupted data transfers for smoother performance
• Supports advanced networking features such as PXE boot for remote system imaging and jumbo frames for improved data handling
• Compact form factor (2.7 × 5.3 inches) fits most desktop and server chassis without requiring additional space
• Uses standard RJ-45 connectors compatible with existing Cat 5e or Cat 6 copper Ethernet cables, simplifying upgrades
• Certified to meet FCC, UL, and CE standards, ensuring compliance with global regulatory requirements

Key specs

• Controller: Intel I350
• Ports: 4 × RJ-45 Gigabit Ethernet
• Interface: PCI Express 2.1
• Data rates: 10/100/1000 Mbps per port
• Dimensions: 2.7 inches × 5.3 inches
• Advanced features: PXE boot support, jumbo frame capability
• Power management: Energy Efficient Ethernet
• Certifications: FCC, UL, CE

Connectivity and compatibility

This expansion card integrates seamlessly with existing network infrastructure by using standard copper Ethernet cabling, allowing you to maintain your current Cat 5e or Cat 6 wiring. The four independent ports enable flexible network setups, including traffic segmentation, redundant links, or connecting multiple virtual machines to separate physical networks without additional switches. Its PCI Express 2.1 interface ensures compatibility with a wide range of desktop and server motherboards.

Performance and reliability

The bridgeless design of the Intel I350 chipset helps keep latency low, which is crucial for applications that demand steady and uninterrupted data flow. Energy Efficient Ethernet reduces power consumption during idle times, making it a practical choice for businesses looking to optimize energy use. Support for jumbo frames enhances performance for workloads that benefit from larger packet sizes, such as file transfers and virtualization tasks.

Ideal uses and environments

This expansion card is well suited to virtualization hosts, small business servers, and workstations handling data-intensive applications. It provides a straightforward way to add multiple Gigabit Ethernet connections, making it a strong choice for IT professionals who need to segment network traffic, create failover paths, or improve bandwidth for media workstations. Its compact size and compliance with global standards also make it a reliable option for lab servers and enterprise environments.