StarTech.com Citrix EW3P0000557 Compatible SFP+ Module, 10GBASE-SR, 10GbE Multimode Fiber MMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC 300m, 850nm, DDM, Mini GBIC SFP+ Module - Lifetime Warranty (EW3P0000557-ST) - SFP+ transceivermodul - 10GbE