Features: 1.Fast Transmission: Provides high speed transmission over CAT5e UTP cable or CAT3 UTP cable for multiple market segments and emerging applications. 2.5Mbps Transmission: The PCI express gigabit ethernet card supports data rates up to 2.5 Gbps, increasing business productivity by increasing internet speed. 3.Wide Compatibility: PCIe internet adapter can support multiple systems:for Win 10 (32/64),for Win7 (32/64),for Win8, 8.1 (32/64), for Win Server, 2012, 2008,for Linux,for OS X. 4.Easy to Install: In addition to standard brackets, additional low brackets are available for easy installation on small computers or servers, and support PXE function and Wake on LAN. 5.Stable Transmission: Use this 1 port PCIE internet card to add 2500/1000/100Mbps Ethernet ports to any PC/host server via PCI Express slot. specification:Item Type: PCIe Internet Adapter Material: PCB Main Chip: RTL8125b Applicable Internet Type: Fast Ethernet Bus Type: PCI E Transmission Rate: 10/100/1000M/2.5Gbps Data Rate Automatic Detection Full Duplex/Half Duplex: Full Duplex/Half Duplex Adaptive Internet Connection Type:1 x RJ45 Applicable Models: Desktop Supported Operating Systems:For Win 10 (32/64),for Win7 (32/64),for Win8, 8.1 (32/64), for Win Server, 2012, 2008,for Linux,for OS X Supported Protocols: IEEE802. 3.IEEE802.3uIEEE802.3abIEEE 802.3azIEEE 802.3bz PackageList:1 x PCIe Internet Adapter 1 xBracket