This Cisco® QSFP-H40G-CU1M to IBM® 49Y7890 dual OEM compatible 40GBase-CU QSFP+ to QSFP+ passive TAA (Trade Acts Agreement) compliant direct attach cable has a maximum reach of 1.0m (3.3ft). It is 100% Cisco® to IBM® 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 IBM®'s individual cables and is built to meet or exceed Cisco® and IBM®'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.