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Home Optics and Transceivers DAC/AOC/AEC Cables Cisco QSFP-4SFP25G-CU5M Passive Copper Breakout Cable

Cisco QSFP-4SFP25G-CU5M Passive Copper Breakout Cable

Brand:
Cisco

The Cisco QSFP-4SFP25G-CU5M is a 5-meter passive copper breakout cable designed to split one 100G QSFP28 connection into four 25G SFP28 links. Built for enterprise data centers, cloud infrastructure, and high-performance networking environments, it delivers reliable, low-latency connectivity for scalable server and switch deployments.

OVERVIEW

  • The Cisco QSFP-4SFP25G-CU5M Passive Copper Breakout Cable is a high-speed direct attach copper (DAC) breakout cable engineered for modern enterprise and cloud networking environments. Designed to convert one 100G QSFP28 interface into four independent 25G SFP28 connections, this 5-meter passive copper cable supports efficient bandwidth distribution and flexible network scalability.
  • Optimized for short-to-medium distance rack connectivity, the cable provides low-latency data transmission while helping reduce infrastructure costs and power consumption compared to optical alternatives. Its passive design makes deployment simple and dependable in high-density networking environments where stable and consistent performance is critical.

USE CASES

  • Data center switch-to-server connectivity
  • 100G QSFP28 to 4x25G server breakout deployments
  • Enterprise network infrastructure expansion
  • High-density cloud computing environments
  • Rack-to-rack network interconnections
  • Virtualized and hyper-converged infrastructures
  • Telecom and ISP networking applications
  • Low-latency enterprise Ethernet deployments
  • Storage networking and SAN environments

KEY FEATURES

  • Converts one 100G QSFP28 port into four 25G SFP28 connections
  • Passive DAC technology for lower power consumption
  • 5-meter cable length for flexible rack deployment
  • Supports high-speed 25GbE and 100GbE networking
  • Low-latency connectivity for enterprise applications
  • Simplifies high-density data center cabling
  • Reduces infrastructure complexity and deployment cost
  • Reliable copper-based short-range interconnect solution

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Model: QSFP-4SFP25G-CU5M
  • Product Type: Passive Copper Breakout Cable
  • Connector Type A: QSFP28
  • Connector Type B:  4 x SFP28
  • Data Rate: 100G to 4 x 25G
  • Cable Type: Direct Attach Copper (DAC)
  • Cable Length: 5 Meters
  • Cable Technology: Passive Copper
  • Ethernet Support: 25GbE / 100GbE
  • Deployment Environment: Enterprise & Data Center Networks
  • Connectivity Type: Switch-to-Server / Switch-to-Switch
  • Latency: Low-Latency Networking
  • Power Requirement: Minimal Passive Power Usage
  • Compatibility: Cisco QSFP28 & SFP28 Platforms

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