Description The Cisco QDD-4ZQ100-CU2M compatible 2m breakout cable provides a robust 400G to quad 100G solution for high-density server environments via 28AWG passive copper. Built with QSFP-DD to four QSFP56 connectors, it ensures stable and efficient data distribution across the rack. This assembly maintains high signal integrity with ultra-low latency, supporting mission-critical high-bandwidth Ethernet traffic.