StarTech.com MSA Uncoded Compatible SFP Module, 1000BASE-TX, SFP to RJ45 (Copper) Cat6/Cat5e, 1GE Gigabit Ethernet SFP, RJ-45 (Copper) 100m, 1Gbps/1000Mbps Mini GBIC Transceiver SFP Module - Lifetime Warranty (SFP1000TXST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-TX - RJ-45 - up to 100 m