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 1 m cable features an QSFP28 connector at one end and QSFP28 connector at the other end. &lt;br /&gt;&lt;br /&gt;- Provides the necessary link between fiber networking devices for high-speed long-distance connectivity&lt;br /&gt;- Features an QSFP28 connector at one end and QSFP28 connector at the other end&lt;br /&gt;- Measures 1 m in length&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Compatibility&lt;/b&gt;&lt;br /&gt;&lt;br /&gt;This product is compatible with the following systems:&lt;br /&gt;&lt;br /&gt;- Dell Networking S6100&lt;br /&gt;- Dell Networking Z9100&lt;br /&gt;- PowerEdge C6420&lt;br /&gt;- PowerEdge R640&lt;br /&gt;- PowerEdge R740&lt;br /&gt;- PowerEdge R740XD&lt;br /&gt;- PowerEdge R940