Lenovo

Lenovo 7Z57A03559 5M Passive SFP28 DAC Cable

High-Speed Connectivity for Network DevicesThe Lenovo 7Z57A03559 is a 5M Passive SFP28 DAC (Direct Attach Cable) designed for seamless connectivity between network devices. With a data transfer rate of 3.13 GB/s, this SFP28 to SFP28 cable ensures reliable and efficient network performance. Key Fe...

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*Price sourced from Amazon.com. Last updated:Jul 16, 2026.Price and availability are subject to change.

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Overview

High-Speed Connectivity for Network Devices

The Lenovo 7Z57A03559 is a 5M Passive SFP28 DAC (Direct Attach Cable) designed for seamless connectivity between network devices. With a data transfer rate of 3.13 GB/s, this SFP28 to SFP28 cable ensures reliable and efficient network performance.

Key Features:

  • Cable Length: 16.40 ft
  • Product Type: Network Cable
  • Data Transfer Rate: 3.13 GB/s
  • Device Supported: Network Device
  • Network Cable Type: SFP28
  • Connector on First End: SFP28 Network

Key Features

Lenovo - 25GBase-CU direct attach cable - SFP28 to SFP28 - 16

Specifications

Brand
Lenovo
Cable Type
25GBase-CU direct attach cable
Connectors
SFP28 to SFP28
Length
5 Meters

Pros & Cons

👍 Pros

  • Offers a 25GBase-CU direct attach cable, providing high-speed data transmission for network infrastructure.
  • Features SFP28 to SFP28 connectors, ensuring compatibility with SFP28 ports for advanced networking.
  • The 5-meter length provides flexibility in connecting devices within a rack or between adjacent equipment.
  • Manufactured by Lenovo, assuring compatibility and quality standards for Lenovo networking equipment.
  • Designed as a passive cable, which typically implies lower power consumption compared to active cables.

👎 Cons

  • The cable length is fixed at 5 meters, which may not be suitable for connections requiring longer distances.
  • As a passive cable, it might have distance limitations or performance characteristics distinct from active cables for certain deployments.
  • The 25GBase-CU standard is specific, so it may not be backward compatible with all older SFP or SFP+ equipment without performance loss.
  • The "16" mentioned in the description is vague and does not clearly specify a feature or benefit.
  • It is exclusively designed for SFP28 ports, limiting its use with other transceiver types.

Frequently Asked Questions

This Lenovo 7Z57A03559 cable supports 25GBase-CU, indicating it is designed for 25 Gigabit Ethernet direct attach connections.
The cable features SFP28 to SFP28 connectors, designed for compatibility with SFP28 ports on networking equipment.
This Lenovo SFP28 DAC cable has a length of 5 meters, suitable for connecting devices within close proximity in a data center environment.
This is specified as a passive SFP28 DAC cable, which means it generally consumes less power and is suitable for shorter distance connections.
The OEM part number for this direct attach cable is 7Z57A03559.