Features: 1.1000Mbps: Using for RTL8111 main control chip, stable performance and good compatibility. Support high performance dual channel networking, maximum data transmission speed of 1000Mbps in each direction (2000Mbps in total) 2.Efficient Heat Dissipation: Solidly heat sink can effectively discharge excess heat to prevent high temperature damage, improve work efficiency and extend service life. 3.Gold Pin: Thickened gold pin for more reliable connection, reducing hardware contact failure and less likely to cause packet loss and distortion. 4.Support System: Mini PCIE NIC for Windows 7, 8 ,x, and 10, for Windows Server 2008 R2,2012,2016,2019, for Linux 2.6.31 to 4.11.x. LTS version 5.Network Compatible: High performance 1000baset t Ethernet controller card. Backward compatible with 10 100baset t networks. Mini PCIE Gigabit Ethernet card transmission speed, faster and more stable, 12cm form factor bracket. With LED indicator. specification:Item Type: Mini PCI E Gigabit Ethernet Card Material: PCB Main Control Chip: For RTL8111 Chip Bus Type: MINI PCIE Total Applicable Network Type: Fast Ethernet Transmission Rate: 10Mbps 100Mbps 1000Mbps Full Duplex Half Duplex: Full Duplex, Half Duplex Adaptive Network Connection Type: RJ45 LED Indicator: LINK,ACT (Connection Work) Network Standard: IEEE 802.3 10BASE T, IEEE 802.3u 100BASE TX, IEEE802.3ab 1000BASE T, IEEE 802.3az Energy Effcient Ethernet, IEEE 802.3x Flows Control, 802.1q VLAN Tagging, 802.1p Layer 2 Priority Encoding Applicable Models: Desktop Line Length: Approx. 30cm / 11.8in Adapter Card Size: Approx. 3 x 2.5cm / 1.2 x 1.0in Network Adapter Card Bracket: Approx. 12cm / 4.7in PackageList: 1 x Adapter Card 1 xNetworkAdapter Card