StarTech.com 5m 40G QSFP+ to QSFP+ Direct Attach Cable for Cisco QSFP-H40G-CU5M - 40GbE Copper DAC 40 Gbps Passive Twinax

StarTech.com 5m 40G QSFP+ to QSFP+ Direct Attach Cable for Cisco QSFP-H40G-CU5M - 40GbE Copper DAC 40 Gbps Passive Twinax

The QSFPH40GCU5M is a Cisco QSFP-H40G-CU5M 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.

More from the Manufacturer

• 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


• 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.


• TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches


• TECHNICAL SPECS: 5m (16.4ft)


• 40 Gbps


• Passive Twinax (Copper)


• 2x QSFP+ Pluggable Connector


• 100 Ohm Impedance


• 30 AWG Wire Gauge


• PVC Cable Jacket


• Hot swappable


• MSA Compliant


• 100% CISCO QSFP-H40G-CU5M COMPATIBLE: Works with Cisco switches like C9300, C9200, C9400, C9500, C9600 and others

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 Switches:

• C9300
• C9200
• C9400
• C9500
• C9600

Manufacturer: StarTech.com
Product Name: QSFP+ Direct Attach Cable - 5 m (16.4 ft.)
Manufacturer Part Number: QSFPH40GCU5M
Manufacturer Website Address: http://www.startech.com
Packaged Quantity: 1
Limited Warranty: Lifetime
Weight (Approximate): 451 g