The JBX05171 5m HPE JG331A Compatible 40GBASE-CR4 QSFP+ to 4x SFP+ Direct Attach Copper Cable represents a premium connectivity solution for modern data centers and enterprise networks requiring high-speed, reliable transmission at an economical price point. **Technical Specifications & Performance:** This passive breakout DAC cable delivers consistent 40Gbps data rates over a 5-meter distance, utilizing proven twinax copper conductor technology with 26AWG gauge specification. The cable meets rigorous IEEE 802.3ba standards and SFF-8436 form factor requirements, ensuring compatibility with a wide range of networking equipment. The passive design eliminates the need for power consumption while maintaining signal integrity, making it an ideal choice for cost-conscious deployments. **Superior Build Quality:** Constructed with high-quality copper conductors and protective plastic jacketing, this cable withstands demanding data center environments. The QSFP+ to 4x SFP+ configuration provides flexibility in network architecture, allowing organizations to connect high-speed trunk ports to multiple lower-speed ports efficiently. Durable copper connectors ensure dependable connections and extended service life. **Compatibility & Integration:** Direct replacement for HPE part number JG331A, this cable offers seamless compatibility with HPE and H3C networking infrastructure. The standardized form factors and connectors ensure plug-and-play installation without requiring specialized adapters or configurations. **Compliance & Certification:** Fully RoHS and ELV compliant, certified by TUV and UL, meeting EU directive 2002/95/EC requirements. Operating temperature range of 0 to 70°C accommodates diverse installation environments from climate-controlled server rooms to field deployments. **Value & Support:** Included 90-day limited warranty provides peace of mind, while free standard shipping on orders exceeding $99 reduces overall acquisition costs. Custom brand programming is available for enterprise customers requiring vendor-specific labeling. Ships from convenient US locations (Danville, CA and Beaufort, SC) for rapid delivery. **Ideal Applications:** Perfect for data center upgrades, server interconnects, network backbone consolidation, and enterprise switch deployments where passive, cost-effective 40GBASE-CR4 connectivity is required.