Description Cisco Compatible 1m 400G OSFP Finned Top to OSFP Finned Top Passive DAC Twinax Cable delivers a high-speed 400Gbps copper link specifically for Cisco OSFP-based platforms. The finned-top design ensures superior thermal performance and native heat-sinking within high-density networking racks. This 1-meter passive cable offers high signal integrity and low latency for ultra-short range 400G links between Cisco switches.