The JBX05188 40G-QSFP-4SFP-C-0101 compatible breakout DAC cable represents an essential infrastructure component for modern high-speed data center networks. This 1-meter passive direct attach copper cable leverages advanced twinax technology to deliver 40Gbps performance without active electronics, eliminating latency and power consumption concerns associated with active optical cables. Key Technical Features: This cable utilizes premium 30AWG copper conductors with robust plastic jacketing to ensure reliable signal transmission over short distances. Operating efficiently across the full temperature range of 0-70°C (32-158°F), the cable maintains consistent performance in varied data center environments. The QSFP+ to 4x SFP+ breakout configuration allows flexible network architecture, enabling a single 40G port to distribute traffic across four 10G connections. Compliance and Certification: Fully compliant with IEEE 802.3ba specifications, RoHS directive 2002/95/EC, and qualified to TUV and UL safety standards, this cable meets enterprise-grade quality requirements. The copper connectors feature precision engineering to ensure optimal contact and minimal signal degradation. Application Scenarios: Ideal for connecting Brocade switches, storage arrays, and networking infrastructure in data centers, server farms, and high-performance computing environments. The 1-meter length provides optimal flexibility for typical rack-mounted deployments while minimizing cable management complexity. Durability and Warranty: Designed for long-term reliability in demanding network environments, this breakout cable comes with a comprehensive 90-day limited warranty. Ships from U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99, ensuring cost-effective procurement for bulk deployments. Customization Options: Custom brand programming is available, allowing organizations to standardize cable identification across their infrastructure for improved asset management and troubleshooting efficiency.