The JBX05378 1m Cisco Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents an ideal solution for organizations seeking reliable, cost-effective high-speed connectivity in modern data centers and network infrastructures. Product Overview: This passive direct attach copper (DAC) cable eliminates the need for active electronics, reducing power consumption and heat generation while maintaining exceptional signal integrity. The 30AWG twinax copper construction provides superior conductivity and durability, ensuring consistent performance in demanding environments. Key Features: • 40GB data transmission speed compliant with IEEE 802.3ba standards • 1-meter length optimized for short-to-medium distance interconnects • Cisco-certified compatibility with multiple Cisco switching platforms • RoHS and TUV certified for environmental safety and quality assurance • Compact QSFP+ form factor for space-efficient deployment • Operating temperature range: 0°C to 70°C (32°F to 158°F) Applications & Use Cases: Ideal for connecting high-density switch infrastructure, server-to-switch links, and switch-to-switch interconnections. Perfect for virtualized environments, cloud infrastructure, and enterprise data centers requiring robust, low-latency connectivity. The passive design makes it particularly suitable for installations where power consumption is a critical concern. Technical Specifications: • Cable Gauge: 30AWG • Copper Connectors: QSFP+ to QSFP+ • Compliance: RoHS, ELV, EU 2002/95/EC • Form Factor: QSFP+ • Standards: IEEE 802.3ba, SFF-8436 • Dimensions: 12x12x2mm • Warranty: 90-Day Limited Warranty • Countries of Manufacture: Vietnam, China • Harmonization Code: 8544.42.9090 Why Choose This Cable? As a direct replacement for OEM Cisco cables (QSFP-H40G-CU1M, MA-CBL-40G-1M), the JBX05378 offers significant cost savings without compromising quality or performance. The passive design ensures lower total cost of ownership through reduced power requirements and minimal heat output. Custom brand programming is available for organizations requiring white-label solutions, enhancing brand consistency across infrastructure deployments. Shipping & Support: With free standard shipping on orders exceeding $99 and availability from multiple distribution centers (Danville, CA and Beaufort, SC), rapid delivery is assured. The 90-day limited warranty provides confidence in your investment, backed by professional support and proven reliability in enterprise environments worldwide.