QSFP40GSR4ST - StarTech - 40gb Fiber 40gbase-Sr4 Qsfp+ Cisco Qsfp-40g-Sr4 Compatible Qsfp+ QSFP40GSR4ST - StarTech - 40gb Fiber 40gbase-Sr4 Qsfp+ Cisco Qsfp-40g-Sr4 Compatible Qsfp+ $348.85 $283.62
WSP-Q40GLR4L-ACC - Accortec - 40Gbps 40GBase-LR4L Single-mode Fiber 2km 1310nm Duplex LC Connector QSFP+ Transceiver Module for Cisco Compatible WSP-Q40GLR4L-ACC - Accortec - 40Gbps 40GBase-LR4L Single-mode Fiber 2km 1310nm Duplex LC Connector QSFP+ Transceiver Module for Cisco Compatible $2,392.41 $2,027.47
QSFP40LR4ST - StarTech - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm LC Connector QSFP+ Transceiver Module QSFP40LR4ST - StarTech - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm LC Connector QSFP+ Transceiver Module $2,286.67 $1,937.86
QSFP-40G-LR4= - Cisco - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module QSFP-40G-LR4= - Cisco - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $324.25 $263.62
QSFP-40GE-LR4-RF - Cisco - Single-Mode 40Gb/S 40Gbase-Lr4 Fiber 10Km 1310Nm Duplex Lc Connector Qsfp+ Transceiver Module QSFP-40GE-LR4-RF - Cisco - Single-Mode 40Gb/S 40Gbase-Lr4 Fiber 10Km 1310Nm Duplex Lc Connector Qsfp+ Transceiver Module $738.64 $625.97