Suitable for gigabit Ethernet; Transmission rate: 10/100/1000Mbps; Bus type: RJ45; Interfaces: 4; Transmission distance: 10Base / 100Base-Tx / 1000Base-T Category 5E; Max. distance: 100m; Boot Rom: support desktop computers workstations and servers; Main chip: i350T4; Network standard: IEEE 802.1p IEEE 802.1Q IEEE 802.2 IEEE 802.3ac IEEE 802.3az IEEE 802.3x IEEE 802.3z IEEE 802.3ad; Driver support: Microsoft Windows(32 & 64 bit) SCO UnixWare 7.x Open Unix 8.0 Novell ODI Novell Netware SUSE Linux Enterprise Server 9.0 Red Hat Enterprise Linux 4.0 Linux FreeBSD Sun Solaris Microsoft DOS VMWare ESX