Lenovo - 7Z57A03559 5M Passive SFP28 DAC Cable

Overview

The Lenovo 7Z57A03559 is a 5-meter passive SFP28 direct attach copper (DAC) cable designed to provide high-speed data transfer at rates up to 25 Gbit/s. It features SFP28 male connectors on both ends and is ideal for connecting servers and switches within the same rack or between adjacent racks in data centers and enterprise networks. Its passive design eliminates the need for active components, reducing power consumption and heat generation while simplifying installation and maintenance.

Key features

• Supports 25 Gbit/s data transfer speeds for fast and reliable network connections
• 5-meter length offers sufficient reach for neat cable management inside racks or between neighboring racks
• Passive cable design reduces power usage and heat output compared to active optical transceivers
• SFP28 male connectors on both ends ensure compatibility with Lenovo ThinkAgile and ThinkSystem devices
• Durable round Ethernet cable construction designed for stable performance in short-distance, high-speed links
• Easy to deploy and maintain, making it suitable for data center administrators managing rack-level connectivity

Key specs

• Data transfer rate: up to 25 Gbit/s
• Cable length: 5 meters
• Connector type: SFP28 male to male
• Cable type: Passive direct attach copper (DAC)
• Compatibility: Lenovo ThinkAgile and ThinkSystem network devices

Connectivity and compatibility

This cable is designed to work seamlessly with Lenovo ThinkAgile and ThinkSystem network equipment, providing a reliable connection for top-of-rack switches to servers or short runs between racks. Its SFP28 connectors support 25G Ethernet standards, ensuring compatibility with modern high-speed networking environments.

Ideal uses and environments

The 7Z57A03559 cable fits well in data centers and enterprise networks where short-distance, high-speed connections are required. It is particularly suited for intra-rack or adjacent rack connections, helping maintain tidy cable management and efficient network performance. This cable is a strong choice for IT professionals seeking cost-effective, low-power, and easy-to-install solutions for 25G Ethernet links.