40GBASE-LR4 fiber transceiver adds reliable 40Gb over fiber Maximum Transfer Distance of 150 m (492 ft) QSFP+ transceiver module complies with MSA industry standards MPO fiber SFP has a low power consumption of < 0.7 W Fiber QSFP+ module uses a cost-effective cabling alternative to fiber Hot swappable with fiber optic modules MTBF: 1 489 426 hours MTBF: 1 489 426 hours