This Dell Networking Cable, 100GbE QSFP28 to 4xSFP28 Passive DirectAttachBreakout 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 4xSFP28 connector at the other end. Compatibility This product is compatible with the following systems: - PowerEdge R630XL - PowerEdge R730XL - PowerEdge R730xd XL - Dell Networking S6100 - Dell Networking Z9100 - PowerEdge R640 - PowerEdge R740XD - PowerEdge R740 - PowerEdge R940 - PowerEdge C6420