1000BASE-TX copper transceiver adds reliable 1Gb over copper - StarTech.com lifetime warranty on all StarTech.com SFP modules - Maximum Transfer Distance of 100 m (328 ft) - SFP transceiver module complies with MSA industry standards - RJ-45 copper SFP has a low power consumption of < 1.3 W - Copper SFP module uses a cost-effective cabling alternative to fiber - Hot swappable with fiber optic modules