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StarTech.com Dell EMC QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 40GE QSFP+ 40GbE Single Mode Fiber SMF Optic Transceiver 10km DDM - Dell EMC QSFP-40G-LR4 Compatible QSFP+ - 40GBASE-LR4 40Gbps - 40GbE Module - 40GE Gigabit Ethernet QSFP+ 1311 QSFP40GLR4ES (Inc. Tax) $251.99
StarTech.com Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Module - 40GBASE-SR4 40GE QSFP+ 40GbE Multimode Fiber MMF Optic Transceiver 400m DDM - Dell EMC QSFP-40G-ESR4 Compatible QSFP+ - 40GBASE-SR4 40Gbps - 40GbE Module - 40GE Gigabit Ethernet QSFP+ 850n QSFP40GESR4E (Inc. Tax) $56.99
StarTech.com Cisco QSFP-40G-LR4 Comp. QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet 40GbE Single Mode Fiber SMF Optic Transceiver - Cisco QSFP-40G-LR4 Compatible QSFP+ - 40GBASE-LR4 40 Gbps - 40GbE Module - 40GE Gigabit Ethernet QSFP+ 1270nm to QSFP40GLR4ST (Inc. Tax) $1,116.99
StarTech.com Dell EMC QSFP-40G-SR4 Compatible QSFP+ Module - 40GBASE-SR4 - 40GE QSFP+ 40GbE Multimode Fiber MMF Optic Transceiver 150m DDM - Dell EMC QSFP-40G-SR4 Compatible QSFP+ - 40GBASE-SR4 40Gbps - 40GbE Module - 40GE Gigabit Ethernet QSFP+ 850n QSFP40GSR4ES (Inc. Tax) $42.99
StarTech.com Extreme Networks 10320 Compatible QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet QSFP+ Single Mode Fiber (SMF) - 10 km DDM - Extreme Networks 453154-B21 Compatible QSFP+ - 40GBASE-LR4 40 Gbps - 40GbE Module - 40GE Gigabit Ethernet QS 10320-ST (Inc. Tax) $253.99