$101.99 CAD

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

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

  • 30 AWG Wire Gauge

  • PVC Cable Jacket

  • Hot swappable

  • MSA Compliant

  • DESIGNED FOR SERVER ROOMS: This DAC is a cost-effective copper alternative to fiber cable inside & between racks; factory termination means high performance & reliability with less maintenance.

  • OUTSTANDING SUPPORT: Backed by StarTech.com for the life of the cable itself, not your equipment; our cables won't void your OEM support and with access to our Tech Advisors 5/24

  • WORKS WITH MSA COMPLIANT SWITCHES: Low power 40GbE DAC also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules and transceivers

Product Type: Network Cable
Environmentally Friendly: Yes
Jacket Material: Polyvinyl Chloride (PVC)
Product Color: Black
Product Material: Copper
Country Of Origin: Taiwan
Brand Name: StarTech.com
Compatibility: Cisco Firewall and Switches:
  • Firepower
  • C9300
  • C3850
  • C9500
Manufacturer: StarTech.com
Product Name: Twinaxial Network Cable
Manufacturer Part Number: QSFP4SFP10C5
Manufacturer Website Address: http://www.startech.com
Packaged Quantity: 1 Each
Limited Warranty: Lifetime
Weight (Approximate): 1.10 lb (500 g)
Color Family: Black
Environmental Compliance: Waste Electrical and Electronic Equipment Directive (WEEE)
Feature1: 100% CISCO QSFP-4SFP10G-CU5M COMPATIBLE QSFP+ BREAKOUT DAC: Works with Cisco switches like Firepower, C9300, C3850, C9300, C9500 and others
Feature2: TECHNICAL SPECS: 5m (16.4ft)
Feature3: 40Gbps
Feature4: Passive Twinax (Copper)
Feature5: 2x QSFP+ Pluggable Connector
Feature6: 100 Ohm Impedance
Feature7: 30 AWG Wire Gauge
Feature8: PVC Cable Jacket
Feature9: Hot swappable
Feature10: MSA Compliant
Feature11: DESIGNED FOR SERVER ROOMS: This DAC is a cost-effective copper alternative to fiber cable inside & between racks; factory termination means high performance & reliability with less maintenance.
Feature12: OUTSTANDING SUPPORT: Backed by StarTech.com for the life of the cable itself, not your equipment; our cables won't void your OEM support and with access to our Tech Advisors 5/24
Feature13: WORKS WITH MSA COMPLIANT SWITCHES: Low power 40GbE DAC also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules and transceivers