The JBX05141 1-meter 400GBASE-CR8 QSFP-DD Direct Attach Copper Cable represents the ideal solution for organizations seeking high-speed, cost-effective network connectivity in demanding data center environments. This passive DAC cable is specifically engineered to work seamlessly with NVIDIA Mellanox networking equipment, providing 400GB/s data transmission speeds without the expense and complexity of optical transceivers. Key Features & Benefits: This copper-based DAC cable features robust 30AWG twinax construction with plastic jacketing, delivering exceptional durability and signal integrity. The QSFP-DD form factor connectors ensure compatibility with next-generation high-density switches and network interfaces. Operating across a wide temperature range (0-70°C), the cable performs reliably in diverse data center conditions. Compliance & Standards: Fully certified to RoHS, TUV, and UL safety standards with EU Directive 2002/95/EC compliance, this cable meets stringent international requirements. It qualifies for ETC 400GBASE-CR8 specifications and adheres to QSFP-DD MSA and CMIS standards for guaranteed compatibility. Perfect Applications: Ideal for hyperscale data centers, cloud infrastructure, AI/ML training environments, and enterprise campus networks requiring ultra-high-speed interconnects. The passive design eliminates power consumption and heat generation, while the 1-meter length provides flexibility for rack-to-rack and switch-to-server connections. Reliability & Support: Backed by a 90-day limited warranty and featuring custom brand programming availability, this cable provides peace of mind. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Manufactured in Vietnam and China under strict quality control standards, ensuring consistent performance and reliability across deployments.