The JBX03468 40GBASE-SR4 QSFP+ to 4x SFP+ Active Optical Cable represents a premium solution for data center professionals requiring high-speed, reliable network connectivity. At 10 meters, this breakout-style active optical cable serves as a direct replacement for Extreme Networks part number 10GB-4-F10-QSFP, ensuring seamless integration into existing infrastructure. **Technical Specifications:** This AOC features 8 strands of OM3 50/125 multimode fiber, delivering 40GB aggregate bandwidth with support for 40GBASE-SR4 transmission protocols. The cable adheres to IEEE 802.3ba standards and SFF-8436 specifications, guaranteeing compatibility with standards-based equipment. The active electronics integrated into the cable endpoints eliminate signal degradation, providing superior performance compared to passive alternatives over extended distances. **Safety & Compliance:** The cable meets stringent safety requirements including Class 1 Laser certification, TUV approval, and UL/FDA compliance (21CFR 1040.10). Its LSZH (Low Smoke Zero Halogen) jacket and OFNR riser rating make it suitable for installation in plenum spaces and comply with EU RoHS directive 2002/95/EC, ensuring environmental responsibility without compromising performance. **Design & Durability:** Built with plastic jacketing and quality fiber strands, the cable operates reliably across 0-70°C temperature ranges, accommodating diverse data center environments. The compact 12x12x10mm dimensions integrate easily into cable management systems while maintaining durability and flexibility. **Applications:** Ideal for enterprise data centers, telecommunications facilities, and high-performance computing clusters, this cable facilitates upgrades from legacy 10GB infrastructure to 40GB networks. The breakout configuration enables efficient port density expansion, converting single QSFP+ ports into four SFP+ connections. **Value Proposition:** With free standard shipping on orders over $99 and 90-day warranty protection, this Extreme Networks-compatible cable offers exceptional value. Custom brand programming availability and US-based shipping from California and South Carolina locations ensure rapid deployment. Whether upgrading existing networks or building new infrastructure, this AOC delivers reliability, performance, and cost-effectiveness for mission-critical applications.