This Dell Networking Cable, 100GbE QSFP28 to QSFP28, Passive Copper Direct Attach Cable is used to link your fiber networking devices for high-speed, long-distance connectivity. This 3 m cable features an QSFP28 connector at one end and QSFP28 connector at the other end. - Provides the necessary link between fiber networking devices for high-speed, long-distance connectivity - Features an QSFP28 connector at one end and QSFP28 connector at the other end - Measures 3 m in length Designed For: Dell Networking S6100-ON, Z9100-ON