This Cisco® QSFP-40G-SR4 to Dell® 407-BBOI dual OEM compatible 40GBase-AOC QSFP+ to QSFP+ direct attach cable that operates over active MMF with a maximum reach of 15.0m (49.21ft). It is 100% Cisco® to Dell® 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 Dell®'s individual cables and is built to meet or exceed Cisco® and Dell®'s specifications, and comply with MSA (Multi-Source Agreement) standards. All of our dual OEM cables are Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.