StarTech.com Cisco QSFP-4SFP10G-CU5M Compatible 5m 1x QSFP+ to 4x SFP+ Direct Attach Breakout Cable - 40GbE - QSFP+ Copper DAC 40Gbps Low Power Passive Twinax
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StarTech.com Cisco QSFP-4SFP10G-CU5M Compatible 5m 1x QSFP+ to 4x SFP+ Direct Attach Breakout Cable - 40GbE - QSFP+ Copper DAC 40Gbps Low Power Passive Twinax

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The QSFP4SFP10C5 is a Cisco QSFP-4SFP10G-CU5M compatible QSFP+ direct-attach breakout cable. It is designed, programmed and tested to work with Cisco® brand compatible servers or routers and complies with MSA industry standards. Connecting a single QSFP+ port to four 10G SFP+ ports, this passive copper breakout cable is fully hot-pluggable which makes upgrades and replacements seamless by minimizing network disruptions.

Designed for short-length and high-speed interconnects, this low-power, low-latency copper QSFP+ cable is also a cost-effective alternative to fiber-optic cable assemblies. It supports short-distance applications such as point-to-point in-rack and across-rack network switch or server connections, for up to four 10G SFP+ devices.

StarTech.com SFP Cables

All StarTech.com QSFP & QSFP+ cables are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of direct-attach SFP Cables and SFP modules, providing the convenience and reliability you need to ensure dependable network performance.


  • 100% CISCO QSFP-4SFP10G-CU5M COMPATIBLE QSFP+ BREAKOUT DAC: Works with Cisco switches like Firepower, C9300, C3850, C9300, C9500 and others
  • TECHNICAL SPECS: 5m (16.4ft)
  • 40Gbps
  • Passive Twinax (Copper)
  • 2x QSFP+ Pluggable Connector
  • 100 Ohm Impedance

The QSFP4SFP10C5 is a Cisco QSFP-4SFP10G-CU5M compatible QSFP+ direct-attach breakout cable. It is designed, programmed and tested to work with Cisco® brand compatible servers or routers and complies with MSA industry standards. Connecting a single QSFP+ port to four 10G SFP+ ports, this passive copper breakout cable is fully hot-pluggable which makes upgrades and replacements seamless by minimizing network disruptions.

Designed for short-length and high-speed interconnects, this low-power, low-latency copper QSFP+ cable is also a cost-effective alternative to fiber-optic cable assemblies. It supports short-distance applications such as point-to-point in-rack and across-rack network switch or server connections, for up to four 10G SFP+ devices.

StarTech.com SFP Cables

All StarTech.com QSFP & QSFP+ cables are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of direct-attach SFP Cables and SFP modules, providing the convenience and reliability you need to ensure dependable network performance.


  • 100% CISCO QSFP-4SFP10G-CU5M COMPATIBLE QSFP+ BREAKOUT DAC: Works with Cisco switches like Firepower, C9300, C3850, C9300, C9500 and others
  • TECHNICAL SPECS: 5m (16.4ft)
  • 40Gbps
  • Passive Twinax (Copper)
  • 2x QSFP+ Pluggable Connector
  • 100 Ohm Impedance