Cisco - QSFP-40G-LR4= - Transceiver QSFP+ 40GBase-LR4 1310nm 10km LC QSFP-40G-LR4= - Cisco - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $324.25 $263.62
Dell - 407-BBGN - Transceiver QSFP+ 40GBase-LR4 Single-mode 10km 1310nm 407-BBGN - Dell - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $509.21 $431.53
Cisco - QSFP-40G-LR4 - Transceiver QSFP+ 40GBASE-LR4 Single-mode 10km LC QSFP-40G-LR4 - Cisco - 40GBASE-LR4 Single-mode Fibre 10km 1310nm Duplex LC Connector QSFP Transceiver Module $460.51 $374.40
Cisco - 10-2842-02 - Transceiver 40Gbps QSFP+ 40GBase-LR4 Single-mode 10km 10-2842-02 - Cisco - 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $372.04 $302.47
Cisco - QSFP-40GE-LR4= - Transceiver QSFP+ 40GBase-LR4 Single-Mode 10km QSFP-40GE-LR4= - Cisco - 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module $1,100.82 $932.90