StarTech.com MSA Uncoded Compatible SFP+ Module, 10GBASE-LR, 10GbE Single Mode (SMF) Fiber Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 10km, 1310nm, DDM, Mini GBIC Module (SFP10GBLRST) - SFP+ transceiver module - 10GbE - 10GBase-LR - LC single-mode - up to 10 km - 1310 nm