The JBX03420 400GBASE-SR4 QSFP-DD Active Optical Cable represents the cutting edge of high-speed data center connectivity solutions. Specifically engineered for Arista networks, this 15-meter AOC delivers exceptional performance for organizations demanding reliable 400GB connections across their infrastructure. **Technical Specifications:** This cable utilizes OM3 50/125 multimode fiber with 16 individual strands, optimized for short-to-medium distance transmission within data center environments. The OFNR (Riser Rated) LSZH jacketing ensures compliance with fire safety codes while protecting against halogenic gas emissions, making it ideal for vertical cable runs and enclosed spaces. **Performance & Compatibility:** Qualified to IEEE 802.3db specifications and QSFP-DD MSA standards, the JBX03420 guarantees 400GB data rate transmission with minimal signal loss. It directly replaces Arista part number A-D400-Q400-15M, ensuring seamless integration into existing Arista deployments. CMIS compliance provides advanced monitoring and management capabilities. **Safety & Compliance:** Comprehensive certifications including Class 1 Laser, UL, FDA 21CFR 1040.10, and TUV approval demonstrate adherence to rigorous industry standards. RoHS/ELV compliance ensures environmental responsibility, while the plastic jacketing with fiber strand construction provides durability and flexibility. **Operating Conditions:** Rated for 0-70°C operation, this cable maintains performance across typical data center temperature ranges. The compact 12x12x15cm form factor enables easy routing and installation in confined spaces. **Value Proposition:** With free standard shipping on orders over $99 and a 90-day limited warranty, this investment in high-speed connectivity is backed by strong support. Custom brand programming is available for organizations with specific requirements. The cable ships from strategically located fulfillment centers in Danville, CA and Beaufort, SC, ensuring rapid delivery.