100GBASE-CR4 QSFP28 to QSFP28 DAC Direct Attach Copper Twinax Cable, Passive, 5-Meter( 16.5 ft), 30AWG. The length of the cable includes the connectors at both ends. ^^ Compatible with Mellanox ETH MCP1600-C005E26L and other mainstream switches ^^ QSFP28 to QSFP28 copper direct-attach 100GBASE-CR4 cables are suitable for very short links and offer a cost-effective way to establish a 100-Gigabit link between QSFP-100G ports of switches within racks and across adjacent racks. ^^ In ipolex's Signal Integrity Lab, we 100% passed TDR & VNA tested. And each DAC Cable is individually tested on switches before delivery.

^^ Ipolex is a DAC cable manufacturer, providing 1-5 meter length customization, special brand compatibility optimization services, all products enjoy 3 years warranty, technical support fast response.