The JBX01491 100GBASE-PSM4 QSFP28 Transceiver represents cutting-edge optical networking technology, engineered to meet the demanding requirements of modern enterprise data centers and high-performance computing environments. **Technical Specifications:** This transceiver operates at 100 gigabits per second using the PSM4 (Parallel Single Mode 4-lane) technology, delivering exceptional bandwidth over single-mode fiber infrastructure. With a maximum transmission distance of 500 meters, it accommodates both short-haul and medium-range network deployments without requiring expensive regeneration equipment. The 1310nm wavelength operates on industry-standard 9/125µm single-mode fiber (SMF), ensuring compatibility with existing fiber optic installations. **Connectivity & Integration:** Featuring MTP/MPO connectors, the JBX01491 enables high-density fiber connections essential for modern data center architecture. This design maximizes port density while maintaining signal integrity and reducing physical footprint. Full compatibility with NVIDIA Mellanox systems makes it an ideal drop-in replacement for the 980-9I16X-00C000 module, simplifying infrastructure upgrades and reducing deployment complexity. **Quality & Compliance:** Manufactured to the highest industry standards, this module is qualified to IEEE 802.3bm specifications and QSFP28 MSA standards. Comprehensive safety certifications include Class 1 Laser designation, TUV and UL/FDA compliance per 21CFR 1040.10, and full RoHS/ELV directive adherence. The metal case with integrated laser transmitter ensures durability and optimal thermal management across extended operating temperatures (0-70°C). **Reliability & Support:** With a 90-day limited warranty and custom brand programming available, the JBX01491 provides enterprise-grade reliability. Ships from strategically located warehouses (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. **Applications:** Ideal for high-performance data center interconnects, cloud infrastructure, enterprise networking, and financial trading environments requiring ultra-low latency and massive bandwidth. Perfect for organizations upgrading to 100 gigabit Ethernet while leveraging existing single-mode fiber investments.