StarTech.com StarTech.com 0.5m 40G QSFP+ to QSFP+ Direct Attach Cable for Cisco QSFP-H40G-CU0-5M - 40GbE Copper DAC 40Gbps Passive Twinax

StarTech.com StarTech.com 0.5m 40G QSFP+ to QSFP+ Direct Attach Cable for Cisco QSFP-H40G-CU0-5M - 40GbE Copper DAC 40Gbps Passive Twinax

  • $ 74.99

We currently have 42 in stock.
SKU: MPN: QSFPH40GCU05 UPC:
Product Description

The QSFPH40GCU05 is a Cisco QSFP-H40G-CU0-5M compatible direct-attach copper QSFP+ cable that's designed, programmed and tested to work with Cisco® brand compatible switches and routers and complies with MSA industry standards.

This passive Twinax copper cable supports 40 Gigabit Ethernet applications connected through QSFP+ (Mini-GBIC) ports. This copper QSFP+ cable is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.

Designed for high-speed performance, this low-power, low-latency QSFP+ cable is a cost-effective alternative to fiber-optic cable assemblies, supporting short-distance applications such as point-to-point in-rack network switch or server connections.

StarTech.com SFP Cables

All StarTech.com SFP & SFP+ 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-H40G-CU0-5M COMPATIBLE: Works with Cisco switches like C9300, C9200, C9400, C9500, C9600 and others
  • TECHNICAL SPECS: 0.5m (1.6ft)
  • 40 Gbps
  • Passive Twinax (Copper)
  • 2x QSFP+ Pluggable Connector
  • 100 Ohm Impedance
  • 30 AWG Wire Gauge
  • PVC Cable Jacket
  • Hot swappable
  • MSA Compliant
  • TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches
  • 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.
  • Hot-swappable
  • 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

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The QSFPH40GCU05 is a Cisco QSFP-H40G-CU0-5M compatible direct-attach copper QSFP+ cable that's designed, programmed and tested to work with Cisco® brand compatible switches and routers and complies with MSA industry standards.

This passive Twinax copper cable supports 40 Gigabit Ethernet applications connected through QSFP+ (Mini-GBIC) ports. This copper QSFP+ cable is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.

Designed for high-speed performance, this low-power, low-latency QSFP+ cable is a cost-effective alternative to fiber-optic cable assemblies, supporting short-distance applications such as point-to-point in-rack network switch or server connections.

StarTech.com SFP Cables

All StarTech.com SFP & SFP+ 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-H40G-CU0-5M COMPATIBLE: Works with Cisco switches like C9300, C9200, C9400, C9500, C9600 and others
  • TECHNICAL SPECS: 0.5m (1.6ft)
  • 40 Gbps
  • Passive Twinax (Copper)
  • 2x QSFP+ Pluggable Connector
  • 100 Ohm Impedance
  • 30 AWG Wire Gauge
  • PVC Cable Jacket
  • Hot swappable
  • MSA Compliant
  • TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches
  • 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.
  • Hot-swappable
  • 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