This Cisco速 QSFP-H40G-CU2M to QSFP-40G-PDAC2M dual OEM compatible 40GBase-CU QSFP+ to QSFP+ passive direct attach cable has a maximum reach of 2.0m (6.6ft). It is 100% Cisco速 to compatible and has been programmed, uniquely serialized, data-traffic and application tested to ensure that it is compliant and functional. This direct attach cable will initialize and perform identically to Cisco速 and 's individual cables and is built to meet or exceed Cisco速 and 's specifications. This product complies with MSA (Multi-Source Agreement) standards and is TAA (Trade Acts Agreement) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.