This Dell® 332-1351 to Extreme Networks® 10323 dual OEM compatible 40GBase-CU QSFP+ to QSFP+ passive TAA (Trade Acts Agreement) compliant direct attach cable has a maximum reach of 5.0m (16.4ft). It is 100% Dell® to Extreme Networks® 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 Dell® and Extreme Networks®'s individual cables and is built to meet or exceed Dell® and Extreme Networks®'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.