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-40GE-LR4 - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module QSFP-40GE-LR4 - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $823.94 $698.25
40G-QSFP-LR4 - Brocade - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module 40G-QSFP-LR4 - Brocade - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $610.02 $516.97
QSFP-40GE-LR4= - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module QSFP-40GE-LR4= - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $1,100.82 $932.90
40G-QSFP-LR4-INT - Brocade - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module 40G-QSFP-LR4-INT - Brocade - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $3,181.43 $2,696.13