407-BBGN - Dell - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module 407-BBGN - Dell - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $509.21 $431.53
QSFPLR4AO - AddOnICS - Addonics 40Gbps 40GBase-LR Single-mode Fiber 10km 1310nm LC Connector QSFP+ Transceiver Module QSFPLR4AO - AddOnICS - Addonics 40Gbps 40GBase-LR Single-mode Fiber 10km 1310nm LC Connector QSFP+ Transceiver Module $2,201.41 $1,865.60
78P2593 - IBM - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module 78P2593 - IBM - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $931.55 $789.45
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
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 $347.38 $294.39
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