The Cisco QDD-400-CU2M is a passive copper cable manufactured by Cisco. It features the QSFP-DD form factor with QSFP-DD connectors on both ends and supports data transmission speeds up to 400 Gbps over a length of 2 meters.
This direct attach copper (DAC) cable is suitable for high-speed interconnects within rack-level or adjacent-rack deployments in supported networking equipment using compatible QSFP-DD ports. Designed for environments where short-range, low-latency connectivity is required without additional power requirements, it enables straightforward port-to-port connections between switches, routers, or servers that support IEEE-compliant 400G Ethernet interfaces.
Cisco QDD-400-CU2M: 400G QSFP-DD Transceiver, Passive Copper Cable, 2 meters
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