StarTech.com Dell EMC SFP-1G-T Compatible SFP Module, 1000BASE-T, SFP to RJ45 (Copper) Cat6/Cat5e, 1GE Gigabit Ethernet SFP, RJ-45 (Copper) 100m, 1Gbps Mini GBIC Transceiver SFP Module - Lifetime Warranty (SFP1GTEMCST) - SFP (mini-GBIC) transceivermodul - 1GbE