StarTech.com Arista Networks SFP-1G-SX Compatible SFP Module, 1000BASE-SX, 1GbE Multimode Fiber MMF Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 550m, 850nm, DDM, Mini GBIC - Lifetime Warranty (AR-SFP-1G-SX-ST) - SFP+ transceivermodul - 1GbE