StarTech.com MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet QSFP+ 40GbE Single Mode Fiber (SMF) Optic Transceiver 10km DDM - MSA Uncoded QSFP+ - 40GBASE-LR4 40Gbps - 40GbE Module - 40GE Gigabit Ethernet QSFP+ 1270nm to 1330nm Single Mode (
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