StarTech.com Brocade XG-LR Compatible SFP+ Module, 10GBASE-LR, 10GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 10km, 1310nm, DDM, 10Gbps SFP+ - Lifetime Warranty (XG-LR-ST) - SFP+ transceiver module - 10 GigE