StarTech.com MSA Uncoded Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm - DDM (QSFP40LR4ST)
40 Gbps QSFP+ transceiver supports single‑mode fiber up to 10 km with full duplex, low 2.5 W power consumption and an aluminum housing that en ...