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

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.

• 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


• 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.


• 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


• 100% CISCO QSFP-4SFP10G-CU5M COMPATIBLE QSFP+ BREAKOUT DAC: Works with Cisco switches like Firepower, C9300, C3850, C9300, C9500 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 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
Limited Warranty: Lifetime
Weight (Approximate): 500 g