The JBX03426 400GBASE-SR4 Active Optical Cable represents cutting-edge connectivity infrastructure for modern data centers and enterprise networks. This 3-meter Arista-compatible solution combines superior performance with proven reliability, making it the ideal choice for organizations requiring ultra-fast optical transmission. **Key Features & Specifications:** Designed with 16-strand OM3 50/125 multimode fiber configuration, this QSFP-DD AOC delivers 400GB data rates while maintaining signal integrity across extended distances. The cable's 12x12x3 dimension profile fits seamlessly into standard networking equipment racks and installations. **Performance & Compatibility:** Fullly qualified to IEEE 802.3db specifications and QSFP-DD MSA standards, the JBX03426 ensures seamless integration with Arista network infrastructure. It directly replaces OEM part number A-D400-Q400-3M, providing cost-effective upgrades without compatibility concerns. **Safety & Compliance:** Extensive certifications including UL/FDA 21CFR 1040.10, TUV approval, and Class 1 Laser compliance demonstrate commitment to network safety. RoHS and EU Directive 2002/95/EC compliance ensures environmental responsibility. OFNR riser rating provides enhanced fire safety for in-building cable runs. **Practical Advantages:** The active optical cable design minimizes signal loss and heat generation compared to passive alternatives, extending equipment lifespan. Operating temperature range of 0-70°C accommodates diverse installation environments. Custom brand programming availability enables OEM-level solutions. **Warranty & Support:** 90-day limited warranty backed by experienced technical support. Free standard shipping on orders exceeding $99 with expedited options available from dual US locations (Danville, CA and Beaufort, SC). Manufactured in Vietnam and China using precision fiber optic technology. Perfect for data center upgrades, high-speed network expansions, and mission-critical connectivity applications requiring proven 400GBASE-SR4 performance.