Cisco 40GBase-CR4 6.6ft Passive Direct Attach Cable QSFP+

Overview

The Cisco QSFP-H40G-CU2M= is a 6.6-foot passive direct attach cable designed to deliver reliable 40 Gigabit Ethernet connections between devices with QSFP+ ports. Its twinaxial copper wiring ensures efficient data transfer with low power consumption, making it well suited for data centers, enterprise networks, and service provider environments. The cable length provides enough flexibility to fit neatly into rack setups without excess slack, helping maintain an organized infrastructure.

Built to handle the demands of busy network cores and high-performance computing, this cable supports seamless integration with a variety of Cisco devices, including models like the 8101-32FH-C and N9K-C93108TC-FX3. It offers a straightforward solution for upgrading network backbones or establishing new high-speed links between switches, servers, or other network equipment.

Key features

• 6.6-foot length provides flexibility for different rack configurations while minimizing cable clutter
• QSFP+ to QSFP+ connectors ensure easy compatibility with Cisco switches, servers, and other network devices
• Supports 40 Gigabit Ethernet speeds for fast and efficient data transfer across your network
• Passive twinaxial copper design reduces power consumption compared to active cables
• Robust construction designed to withstand the demands of high-traffic network environments
• Compatible with a range of Cisco devices for seamless integration into existing network setups

Key specs

• Cable length: 6.6 feet (2 meters)
• Connector type: QSFP+ to QSFP+
• Data rate: 40 Gigabit Ethernet
• Cable type: Passive twinaxial copper
• Compatible Cisco models: 8101-32FH-C, N9K-C93108TC-FX3, and others

Connectivity and compatibility

This cable connects directly between QSFP+ ports, commonly found on Cisco switches and servers, enabling high-speed 40 Gigabit Ethernet links without the need for additional transceivers. Its compatibility with multiple Cisco device models ensures it fits well into existing network infrastructures, simplifying upgrades and expansions.

• QSFP+ connectors on both ends for plug-and-play installation
• Works with Cisco devices supporting 40GBase-CR4 standard
• Ideal for short-distance connections within racks or between adjacent racks

Ideal uses and environments

The Cisco QSFP-H40G-CU2M= cable is a strong choice for data centers and enterprise networks requiring high-speed, low-latency connections between switches and servers. Its passive design keeps power consumption low, which is beneficial in environments where energy efficiency is important. The cable length and build quality make it suitable for dense rack setups where space and cable management are critical.

This cable fits well in network backbones, server clusters, and high-performance computing environments where consistent 40 Gigabit Ethernet connectivity is essential for maintaining optimal data flow and network performance.