Startech 10 pack HPE J4859C Compatible SFP Module, 1000BASE-LX, 1GbE Single Mode SMF/MMF Optic Transceiver, 1 Gigabit Ethernet, LC Connector 10km, 1310nm DDM, HPE 1400 1700, Mini GBIC - Lifetime Warranty (J4859C10PKST) - SFP (mini-GBIC) transceivermodul - 1GbE