The JBX05045 represents a cutting-edge solution for organizations deploying next-generation 400GB networking infrastructure. This 0.5-meter 400GBASE-CR8 QSFP-DD to 4x QSFP56 direct attach copper breakout cable delivers exceptional performance for demanding data center environments where high-speed connectivity is essential. Key Features: This passive breakout DAC cable provides a cost-effective alternative to active solutions while maintaining full 400GB bandwidth capacity. The 30AWG copper twinax construction ensures minimal signal degradation over the 0.5-meter distance, making it ideal for intra-rack connections. The cable meets strict compliance requirements including RoHS, ELV, TUV, and UL certifications, ensuring safe deployment in regulated environments. Technical Specifications: The cable features QSFP-DD to 4x QSFP56 copper connectors fully compatible with Cisco equipment and other 400GBASE-CR8 compliant systems. Operating temperature range of 0-70°C provides reliability across diverse data center conditions. Its compact 12x12x2mm profile enables seamless integration into high-density switch deployments without blocking adjacent ports. Applications & Benefits: Ideal for data center operators upgrading to 400GB switching fabric, financial institutions requiring ultra-low latency connections, cloud service providers optimizing rack space efficiency, and enterprises consolidating server interconnects. The passive design eliminates power requirements and heat generation while reducing total cost of ownership compared to active breakout solutions. Quality Assurance: With a 90-day limited warranty and RoHS/ELV compliance, this cable meets enterprise-grade durability standards. Manufactured in Vietnam and China, the product is available with custom brand programming options for resellers and integrators. Free standard shipping on orders exceeding $99 provides exceptional value for bulk purchases.