The JBX05637 1m QSFP28 breakout DAC cable is a premium-grade direct attach copper solution designed to meet the demanding requirements of modern 100GB network infrastructure. This Intel XXV4DACBL1M compatible cable delivers exceptional performance and reliability for enterprise data centers, high-frequency trading environments, cloud service providers, and large-scale virtualization platforms. **Technical Specifications:** This passive breakout DAC features QSFP28 to 4x SFP28 connectors with 30AWG twinax copper construction. Operating at 100GBASE-CR4 speeds, it delivers full 100GB throughput without the power consumption penalties of active cables. The 1-meter length provides optimal flexibility for standard rack configurations while maintaining signal integrity. **Performance & Reliability:** Qualified to IEEE 802.3bj and QSFP28 MSA specifications, this cable ensures seamless integration with Intel platforms and compatible network equipment. The passive design eliminates active components that can fail, reducing total cost of ownership and simplifying maintenance. Copper construction provides superior conductivity compared to alternative materials. **Compliance & Safety:** Fully RoHS and ELV compliant, meeting EU directive 2002/95/EC requirements. UL and TUV certifications verify adherence to stringent safety standards. Operating temperature range of 0-70°C accommodates diverse data center environments. **Applications:** - High-speed data center interconnects - Server-to-switch connections - Storage array networking - Cloud infrastructure deployments - High-frequency trading systems - Enterprise virtualization platforms **Advantages Over Alternatives:** Compared to active cables, passive DACs require no power, generate minimal heat, and offer lower latency—critical for time-sensitive applications. The breakout configuration allows consolidation of multiple 10GB/25GB connections over a single 100GB trunk, improving port density and reducing infrastructure costs. **Warranty & Support:** Included 90-day limited warranty provides protection against manufacturing defects. Free standard shipping on orders exceeding $99, with multiple domestic shipping locations (Danville, CA and Beaufort, SC) ensuring rapid delivery. Custom brand programming available for enterprise deployments requiring OEM branding.