StarTech.com Dell EMC 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, 10Gb SFP+ - Lifetime Warranty (SFP10GZREMST) - SFP+ transceivermodul - 10GbE