This is a MSA Compliant 10GBase-CX QSFP+ to CX4 direct attach cable that operates over passive copper with a maximum reach of 3.0m (9.84ft). It has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Legrand direct attach cables are built to comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. All Legrand twinax and AOC cables are Trade Agreements Act (TAA) compliant.