Description Generic Compatible 1m (3ft) 400G OSFP Flat Top to OSFP Flat Top Passive DAC Twinax Cable is a 400Gbps copper interconnect designed for OSFP-based hardware. It features flat-top connectors for optimized airflow and thermal management in high-density data center environments. This passive 1-meter cable provides a reliable and cost-effective solution for ultra-short range 400G links between switches and routers.