NETGEAR ProSafe™ GBIC Module 1000BASE-T Copper, 1 Gbit/s, Gigabit Ethernet, IEEE 802.3ab NETGEAR ProSafe™ GBIC Module 1000BASE-T Copper. Data transfer rate: 1 Gbit/s, Data link protocols: Gigabit Ethernet, Compliance industry standards: IEEE 802.3ab