StarTech - QSFP40GLR4ST - Transceiver 40Gb QSFP+ 40GBASE-LR4 Fiber QSFP40GLR4ST - StarTech - 40gb Fiber 40gbase-Lr4 Qsfp+ Cisco Qsfp-40g-Lr4 Compatible CALL FOR PRICE
Enterasys - 40GB-SR4-QSFP-G - QSFP+ Transceiver 40GBase-SR4 850nm 40GB-SR4-QSFP-G - Enterasys Networks - 40Gbps 40GBase-SR4 Multi-mode Fiber 100m 850nm MPO Connector QSFP+ Transceiver Module $445.19 $377.28
Accortec - 40GB-SR4-QSFP-ACC - QSFP+ Transceiver 40GBase-SR4 850nm 150m 40GB-SR4-QSFP-ACC - Accortec - 40Gbps 40GBase-SR4 Multi-mode Fiber 150m 850nm MPO Connector QSFP+ Transceiver Module for Compatible $808.13 $684.86
Finisar - QSFP-40GBASE-SR4 - Transceiver QSFP+ 40GBASE-SR4 Optical Finisar - QSFP-40GBASE-SR4 - 70C Optical XCVR Transceiver $46.81 $38.06
Accortec - QSFP-40GBASE-SR4-ACC - Network Transceiver 40GBase-SR4 QSFP+ QSFP-40GBASE-SR4-ACC - Accortec - 40GBase-Sr4 Taa Network Transceiver Module $405.85