StarTech.com GLCT10PKST Gigabit RJ45 Copper SFP Transceiver Module 1 Gbps 1 - RJ-45 Female
NET SFP COPPER TRANSCEIVER - 100M (328FT) - RJ-45 CONNECTOR - HOT-SWAPPABLE MS
CISCO GLC-T COMPATIBLE SFP - 1000BASE-T 1 GBPS - 1GBE MODULE - 1GE GIGABIT ETHER