The JBX01068 400GBASE-SR4.2 QSFP-DD transceiver represents state-of-the-art optical networking technology designed for modern data centers and enterprise environments. This high-performance module delivers reliable 400Gigabit Ethernet connectivity with exceptional reach and compatibility. **Key Performance Features:** Operating at industry-leading 400Gb/s data rates, this transceiver achieves 150-meter transmission distances over OM5 multimode fiber cabling. The dual-wavelength design (855nm and 908nm) ensures optimal signal integrity and system performance. The QSFP-DD form factor provides compact, space-efficient deployment in modern networking equipment without compromising power delivery or signal quality. **Compatibility & Integration:** Fully compatible with Arista QDD-400G-SRBD specifications, this transceiver serves as a drop-in replacement for OEM components. It supports standard MTP/MPO-12 connectors, enabling seamless integration with existing multimode fiber infrastructure. Compliance with IEEE 802.3bs, QSFP-DD MSA, and CMIS standards ensures broad ecosystem compatibility and future-proof networking investments. **Safety & Reliability:** Manufactured with premium materials including metal housing and laser transmission components, the JBX01068 meets rigorous safety certifications: Class 1 Laser designation, TUV, UL, and FDA 21CFR 1040.10 compliance. RoHS and ELV directive compliance ensure environmental responsibility. The 90-day limited warranty provides peace of mind for critical infrastructure deployments. **Technical Specifications:** - Data Rate: 400Gbps - Wavelengths: 855nm/908nm - Fiber Type: Multimode (OM5 MMF) - Distance: 150 meters - Connector Type: MTP/MPO-12 - Operating Temperature: 0-70°C - Dimensions: 5mm L × 4mm W × 2mm H - Country of Manufacture: Vietnam, China **Applications:** Ideal for high-speed data center interconnects, enterprise campus networks, and storage area network (SAN) deployments requiring maximum throughput with cost-effective multimode fiber infrastructure. Supports cloud computing, big data processing, and virtualization environments. **Shipping & Support:** Ships from Danville, CA and Beaufort, SC locations with free standard shipping on qualifying orders. Custom brand programming available for OEM integration requirements.