Description Cisco Compatible 1m (3ft) 400G OSFP Flat Top to QSFP-DD Passive DAC Cable is a hybrid copper assembly designed to bridge OSFP and QSFP-DD form factors. It provides a reliable 1-meter link for interconnecting diverse Cisco 400G hardware with minimal latency and high signal integrity. The flat top design ensures space-saving connectivity for multi-form factor 400GbE network architectures.