The 128GFC-SW4 QSFP28 transceiver represents a cutting-edge solution for modern data center and enterprise networking requirements. Engineered to deliver exceptional performance, this optical module combines advanced technology with proven reliability, making it an excellent choice for organizations seeking to upgrade or expand their network infrastructure. **Technical Excellence** Operating at the 850nm wavelength, this QSFP28 transceiver is specifically optimized for multimode fiber environments. With a maximum transmission distance of 100 meters over OM4 MMF cabling, it provides the ideal balance of reach and cost-effectiveness for intra-building and campus network deployments. The module's robust construction features a metal case with integrated laser transmitter technology, ensuring durability and consistent optical performance. **Dell Compatibility & Integration** Designed as a compatible replacement for Dell part number 407-BBZG, this transceiver integrates seamlessly into existing Dell networking environments. Whether upgrading legacy systems or deploying new infrastructure, compatibility is guaranteed, eliminating integration concerns and reducing deployment time. **Compliance & Certifications** This optical transceiver meets stringent international standards, including RoHS/ELV compliance, Class 1 Laser safety certification, TUV, UL, and FDA (21CFR 1040.10) approvals. These certifications ensure the module meets global regulatory requirements and environmental standards, providing confidence for enterprise deployments. **Performance & Reliability** With operating temperatures spanning 0-70°C (32-158°F), this transceiver maintains peak performance across diverse environmental conditions. The MTP/MPO connector interface supports high-density fiber routing, enabling efficient use of rack space in data centers and network closets. **Value & Support** Each unit includes a 90-day limited warranty and benefits from custom brand programming capabilities for OEM requirements. Free standard shipping on orders over $99 from warehouses in Danville, CA and Beaufort, SC ensures rapid deployment timelines and cost-effective procurement. **Ideal Applications** - Data center interconnects and fabric networks - Server-to-switch connectivity - High-speed local area networks (LANs) - Storage area networks (SANs) - Enterprise network upgrades - Campus network infrastructure Choose the 128GFC-SW4 QSFP28 transceiver for reliable, standards-compliant optical connectivity that meets today's demanding network requirements while protecting your investment for tomorrow's growth.