Lenovo 3M 25G SFP 28 Passive DAC Cable

Overview

The Lenovo 7Z57A03558 is a passive DAC cable designed to provide direct 25 Gbps connections over a 3 meter copper link. It features SFP28 connectors on both ends, allowing seamless integration with Lenovo ThinkSystem and ThinkAgile platforms without the need for additional transceivers or adapters. This cable is ideal for short-range, high-speed links within racks or between adjacent racks, ensuring low latency and stable throughput for servers, switches, and storage devices.

Key features

• Direct SFP28 to SFP28 connectivity supporting 25 Gbps data rates for high-performance networking
• Passive copper construction eliminates the need for external power or signal conversion, reducing energy consumption
• 3 meter length provides sufficient reach for tidy cable management in data center environments
• Engineered for reliable, low-latency connections between servers, switches, and storage nodes
• Compatible with Lenovo ThinkSystem and ThinkAgile hardware, ensuring native support and easy deployment

Key specs

• Data rate: 25 Gbps
• Cable length: 3 meters
• Connector type: SFP28 on both ends
• Cable type: Passive copper direct attach
• Compatibility: Lenovo ThinkSystem and ThinkAgile platforms

Connectivity and compatibility

This cable is designed to connect devices equipped with SFP28 ports, such as Lenovo servers, switches, and storage units. Its native SFP28 connectors ensure plug-and-play operation without requiring additional transceivers, simplifying network setup and maintenance. The passive design suits short-distance links typically found inside racks or between adjacent racks in data centers.

Ideal uses and environments

The Lenovo 7Z57A03558 fits well in data center environments where high-speed, low-latency connections are critical. It works effectively for linking servers to top-of-rack or end-of-row switches, interconnecting edge switches, or attaching storage nodes that demand consistent 25 Gb connectivity. Its 3 meter length balances reach and signal integrity, making it a practical choice for clean and efficient cable routing.