2-port Gigabit Ethernet mini PCI Express Card single lane, low profile bracket, Realtek chipsetFast gigabit network connection with up to 2 x 1000 Mbps bandwidth for your PCI express slotGigabit data transmission with up to 2 x 1000 MbpsSupports network standards: IEEE802.3, 802.3u, and 802.3abSupports IEEE802.3x full-duplex flow controlSupports IEEE802.1q VLAN taggingSuitable for full and half-sized slot brackets