StarTech.com HPE JG661A Compatible QSFP+ Module, 40GBASE-LR4, 40GbE Single Mode (SMF) Fiber Optic Transceiver, 40GE Gigabit Ethernet QSFP+, LC 10km, 1270nm to 1330nm, DDM, HPE 5900AF 12902 - Lifetime Warranty (JG661A-ST) - QSFP+ transceivermodul - 40GbE