StarTech.com Cisco SFP-10G-ZR Compatible SFP+ Module, 10GBASE-ZR, 10GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 80km, 1550nm, DDM, Cisco ASR9000 - Lifetime Warranty (SFP-10G-ZR-ST) - SFP+ transceivermodul - 10GbE