Dell Networking Transceiver, 40GbE QSFP+LR4, 10km Reach on SMFExperience uncompromising high speed fiber connectivity with the Dell Networking 40GbE QSFP+LR4 transceiver. Engineered for use in qualified Dell Networking switches, this compact, hot swappable module delivers robust 40 Gigabit Ethernet performance over single mode fiber (SMF) with a reach of up to 10 kilometers. Whether youre building a data center backbone, connecting campus sites, or enabling high bandwidth server to server links, this LR4