Maintain high-speed connectivity between adjacent network devices with a TAA compliant 40GBASE-CU direct attach cable built for QSFP+ to QSFP+ links. The AddOn Networks 40GB-C03-QSFP-AO is intended for Enterasys-compatible deployments that need a straightforward copper interconnect without the cost and complexity of optical transceivers. Direct attach copper is a practical choice for short runs inside the rack or across nearby racks when you want to preserve port density and keep signal paths simple. This cable supports 40 GbE-class connectivity in a form factor that is easy to deploy, easy to replace, and well suited to structured data center cabling. For procurement teams, TAA compliance helps satisfy sourcing requirements without compromising on link performance. Choose this cable when you need a dependable interconnect for aggregation, top-of-rack switching, or lab environments where short-distance 40 GbE links are common. It is a purpose-built option for teams that value clean installation, predictable compatibility, and a lower total cost than optical alternatives for the same reach class.