$155.99 CAD

StarTech.com 5m 40G QSFP+ to QSFP+ Direct Attach Cable for Cisco QSFP-H40G-ACU5M - 40GbE Copper DAC 40 Gbps Active Twinax

The QSFPH40GACU5 is a Cisco QSFP-H40G-ACU5M 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 Active 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-ACU5M COMPATIBLE: Works with Cisco switches like Firepower, ASR1000, ASR9000, C9300, C3650 and others

  • TECHNICAL SPECS: 5m (16.4ft)

  • 40 Gbps

  • Active 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.

  • 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

  • Hot-swappable

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, Routers and Switches:
  • Firepower
  • ASR1000
  • ASR9000
  • C9300
  • C3650
Manufacturer: StarTech.com
Product Name: QSFP+ Direct Attach Cable - 5 m (16.4 ft.)
Manufacturer Part Number: QSFPH40GACU5
Manufacturer Website Address: http://www.startech.com
Packaged Quantity: 1 Each
Limited Warranty: Lifetime
Weight (Approximate): 13.05 oz (370 g)
Color Family: Black
Environmental Compliance: Waste Electrical and Electronic Equipment Directive (WEEE)
Feature1: 100% CISCO QSFP-H40G-ACU5M COMPATIBLE: Works with Cisco switches like Firepower, ASR1000, ASR9000, C9300, C3650 and others
Feature2: TECHNICAL SPECS: 5m (16.4ft)
Feature3: 40 Gbps
Feature4: Active 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: TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches
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
Feature14: Hot-swappable