Keep high-speed fabric links tight, predictable, and cost-controlled with this 1.5 m 400 GbE QSFP-DD direct attach cable. Designed for Mellanox-compatible environments, it is a practical fit for adjacent-rack connections where short-reach copper is the right answer and optics would add unnecessary cost and complexity. For infrastructure teams building dense leaf-spine or storage networks, DAC remains the cleanest way to connect compatible ports at very high bandwidth. The short 1.5 m length helps preserve signal integrity in close-coupled deployments while avoiding the power and thermal overhead of active transceivers. That makes it a strong choice for top-of-rack to adjacent-rack links, staging environments, and controlled data center layouts where cable runs are known in advance. TAA compliance adds procurement value for public sector and regulated buyers that need sourcing clarity without compromising on performance. Accortec positions this cable for organizations that want a straightforward, standards-aligned interconnect for 400 GbE infrastructure. When the requirement is to move traffic reliably between compatible QSFP-DD ports, this cable delivers the direct path.