Description Cisco QDD-400-CU1M Compatible is a 1-meter 400G QSFP-DD passive DAC twinax cable engineered for high-density Cisco switching and routing environments. It utilizes passive copper technology to provide a cost-effective, zero-power interconnect with ultra-low latency for short-range links. This cable ensures seamless compatibility and high signal integrity, making it the standard choice for top-of-rack 400GbE switch-to-server connections.
