Lenovo 5M Passive 25G SFP28 DAC Cable - 7Z57A03559

Lenovo 7Z57A03559 5M Passive 25G SFP28 DAC Cable

Overview

The Lenovo 7Z557A03559 is a 5-meter passive Direct Attach Copper (DAC) cable designed for high-speed 25 Gigabit Ethernet (25GbE) connectivity within ThinkSystem server environments. This cable is essential for connecting SFP28 ports on network adapters and switches, providing a cost-effective, low-latency solution for server-to-server or server-to-top-of-rack switch links. Its passive design means no external power is required, simplifying deployment and reducing potential points of failure.

Compatibility

This 5-meter SFP28 DAC cable is engineered for use with Lenovo ThinkSystem servers and network adapters equipped with SFP28 ports. Specifically, it is compatible with adapters such as the ThinkSystem Broadcom 57454 10/25GbE SFP28 4-port PCIe Ethernet Adapter V2 (4XC7A08316), enabling direct connections to compatible switches or other servers. It ensures full interoperability within the Lenovo ThinkSystem ecosystem for 25GbE networking requirements.

Installation Notes

This is a passive DAC cable, meaning it does not require any configuration or power source. Simply plug the SFP28 connectors into the corresponding ports on your server adapter and network switch or server. Ensure the connectors are fully seated to establish a stable link. The 5-meter length provides moderate reach for rack-based deployments. For optimal performance and signal integrity, avoid sharp bends or excessive tension on the cable.