The JBX01421 is a premium 100GBASE-ER4-Lite QSFP28 optical transceiver engineered for enterprise-grade networking applications demanding extended-range, high-speed data transmission. With a maximum transmission distance of 40km over single-mode fiber (9/125), this module excels in metropolitan and long-distance network deployments where traditional short-reach transceivers fall short. **Technical Excellence** Qualified to IEEE 802.3bm specifications and QSFP28 MSA standards, this transceiver achieves 100GB data rates with forward error correction (FEC) capabilities, ensuring data integrity over extended distances. The singlemode fiber design minimizes signal loss and dispersion, providing reliable performance in demanding network environments. **Dell Ecosystem Integration** As a verified replacement for Dell part number 470-BBZX, the JBX01421 seamlessly integrates into existing Dell networking infrastructure. The standardized QSFP28 form factor ensures compatibility with Dell switches and routers, eliminating costly platform migrations. **Superior Build Quality** Constructed with a metal case housing and precision laser transmitter technology, this optical module withstands rigorous data center environments. Duplex LC/UPC fiber connectors provide secure, low-loss connections meeting industry standards. The design accommodates both hot-plug and standard installation scenarios. **Compliance & Safety** Fully RoHS and ELV compliant, the JBX01421 meets EU Directive 2002/95/EC environmental standards. Class 1 laser certification (LN #50 7/2001) with TUV, UL, and FDA approvals ensure safe operation. Operating temperature range of 0-70°C (32-158°F) provides reliability across diverse data center conditions. **Value Proposition** Offering free standard shipping on orders over $99 and a 90-day limited warranty, this transceiver delivers exceptional value for organizations scaling their optical infrastructure. Custom brand programming is available for integration with your network management systems. Manufactured in Vietnam and China with rigorous quality controls, the JBX01421 represents an intelligent investment in future-proof networking technology.