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-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
QSFP-40G-LR4-S= - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module QSFP-40G-LR4-S= - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $642.33 $544.35
QSFP-40G-LR4-RF - Cisco - Single-Mode 40Gbps 40Gbase-Lr4 Fiber 10Km 1310Nm Duplex Lc Connector Qsfp+ Transceiver Module QSFP-40G-LR4-RF - Cisco - Single-Mode 40Gbps 40Gbase-Lr4 Fiber 10Km 1310Nm Duplex Lc Connector Qsfp+ Transceiver Module $392.20 $332.37
SRX-QSFP-40G-LR4 - Juniper - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module SRX-QSFP-40G-LR4 - Juniper - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $827.59 $701.35
QSFP-40G-LR4-S - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module QSFP-40G-LR4-S - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $1,401.04 $1,187.32