The JBX01293 100GBASE-SR4 QSFP28 Transceiver represents cutting-edge optical networking technology designed for modern enterprise data centers and high-performance computing environments. This premium transceiver module delivers 100 gigabits per second of throughput, making it essential for bandwidth-intensive applications and future-proof network infrastructure. **Technical Excellence:** Operating at 850nm wavelength, this QSFP28 module achieves 300-meter transmission distances over OM4 multimode fiber cabling—optimal for campus networks and large data center deployments. The MTP/MPO-12/UPC connector architecture ensures superior signal integrity and minimal insertion loss, while the metal case housing with integrated laser transmitter provides enhanced durability and electromagnetic shielding. **Standards Compliance & Safety:** Qualified to IEEE 802.3bm specifications and QSFP28 MSA standards, this transceiver guarantees interoperability across certified platforms. Comprehensive safety certifications include Class 1 Laser designation, TUV, UL/FDA compliance (21CFR 1040.10), and full RoHS/ELV directive adherence, ensuring safe operation in regulated environments. **Dell Compatibility:** Dropin replacement for Dell OEM parts 407-BBYJ and 407-BBYO, eliminating compatibility concerns and reducing procurement complexity. Custom brand programming is available for organizations requiring customized firmware configurations. **Reliability & Support:** With 90-day limited warranty coverage and manufactured to exacting standards in Vietnam and China, this transceiver delivers enterprise-grade reliability. Operating temperature range of 0-70°C (32-158°F) accommodates diverse data center thermal environments. Dimensions of 5x4x2 inches ensure compact, space-efficient deployment in high-density QSFP28 port configurations. **Applications:** Perfect for high-speed interconnects, virtualization platforms, cloud infrastructure, HPC clusters, and storage area networks requiring reliable, standardized optical connectivity. The multimode fiber compatibility reduces cabling infrastructure costs compared to singlemode solutions while maintaining exceptional performance standards. Free standard shipping on orders over $99 from Danville, CA and Beaufort, SC locations ensures rapid deployment.