The Gigalight GQM-SPO400-LR4CA 40GE/OTU3 QSFP+ PSM4 10km (PSM LR4) module is a high performance, low power consumption, long reach interconnect solution supporting 40G Ethernet, Fibre Channel and PCIe.
It is compliant with the QSFP MSA and 40GbE PSM4. It is an assembly of 4 full-duplex lanes, where each lane is capable of transmitting data at rates up to 11.0957Gb/s, providing an aggregated rate of 40Gb/s.