Cisco QSFP-H40G-CU5M Direct Attach Copper Cable is a 5-meter QSFP-to-QSFP copper DAC that provides a 40 GbE connection between devices with QSFP ports. Designed for short-range data-center deployments, this copper DAC cable delivers high-speed 40 Gigabit Ethernet over a single cable with a compact form factor. Common applications include inter-switch connections or switch-to-network device links within the same rack or nearby equipment, where a direct-attach 40G link is required.
