This Cisco® QSFP-100G-CU5M to Mellanox® MCP1600-C005 compatible 100GBase-CU QSFP28 to QSFP28 passive TAA (Trade Acts Agreement) compliant direct attach cable has a maximum reach of 5.0m (16.4ft). It is 100% Cisco® to Mellanox® compatible and has been programmed, uniquely serialized, and data-traffic and application tested to ensure that it is compliant and functional. This direct attach cable will initialize and perform identically to Cisco® and Mellanox®'s individual cables and is built to meet or exceed Cisco® and Mellanox®'s specifications, and comply with MSA (Multi-Source Agreement) standards. We stand behind the quality of our products and proudly offer a limited lifetime warranty.