HPE BladeSystem 720190-B21 Compatible 40G QSFP+ LR4 1310nm 10km LC SMF DDM Transceiver Module
HPE BladeSystem 747698-B21 Compatible 40Gb QSFP LR4 Transceiver Module that plug into QSFP+ slots on switches and support 40G Ethernet, which builts in DDM.






