This is a brocade compatible 25gbase-cu sfp28 to sfp28 direct attach cable that operates over passive copper with a maximum reach of 2.0M 6.6Ft . It has been programmed. Uniquely serialized. And data-traffic and application tested to ensure it is 100% compliant and functional. This direct attach cable is taa trade agreements act compliant. And is built to comply with msa multi-source agreement standards. We stand behind the quality of our products and proudly offer a limited lifetime warranty.