The JBX01107 400GBASE-LR4 QSFP-DD Transceiver represents cutting-edge optical networking technology for demanding data center environments. This module delivers exceptional performance and reliability for organizations transitioning to 400-gigabit network infrastructure. **Technical Specifications:** Operating at 400Gbps, this transceiver achieves impressive reach of 10 kilometers over standard 9/125 single-mode fiber (SMF), enabling cost-effective long-distance campus and data center interconnections. The duplex LC/UPC connector interface ensures reliable signal transmission with minimal signal loss and reflectance. **Compatibility & Integration:** Fully compatible with NVIDIA Mellanox switching platforms (replaces OEM P/N 980-9I363-00W000 / MMS1V90-WR), this module integrates seamlessly into existing infrastructure. The QSFP-DD form factor aligns with industry standards including IEEE 802.3bs, QSFP-DD MSA, and CMIS specifications. **Quality Assurance:** Manufactured with precision-engineered metal case and integrated laser transmitter, this transceiver meets stringent safety certifications including Class 1 Laser designation, TUV, UL/FDA compliance, and EU RoHS Directive 2002/95/EC. Operating temperature range of 0-70°C accommodates diverse deployment environments. **Dimensions & Portability:** Compact 5.0" x 4.0" x 2.0" dimensions facilitate easy installation in standard network equipment. Custom brand programming is available for OEM applications and enterprise deployments. **Shipping & Support:** Enjoy free standard shipping on orders exceeding $99 from our distribution centers in Danville, CA and Beaufort, SC. 90-day limited warranty provides peace of mind for your investment in high-speed network infrastructure. Ideal for data centers, service providers, and enterprises modernizing their optical networks to 400-gigabit standards.