StarTech.com Citrix EW3P0000558 Compatible SFP+ Module, 10GBASE-LR, 10GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC 10km, 1310nm, DDM, Mini GBIC SFP+ - Lifetime Warranty (EW3P0000558-ST) - SFP+ transceivermodul - 10GbE