This Brocade® 40G-QSFP-4SFP-C-0101 to HP® 487652-B21 dual OEM compatible 40GBase-CU QSFP+ to 4xSFP+ active TAA (Trade Acts Agreement) compliant direct attach cable has a maximum reach of 1.0m (3.3ft). It is 100% Brocade® to HP® 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 Brocade® and HP®'s individual cables and is built to meet or exceed Brocade® and HP®'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.