StarTech.com MSA Uncoded Compatible SFP Module, 1000BASE-LX, 1GbE Single Mode (SMF) Fiber Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 10km, 1310nm, DDM, Mini GBIC Module - Lifetime Warranty (SFP1000LXST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LX - LC single-mode - up to 10 km - 1310 nm - for P/N: US1GA30SFP, US1GC30SFP