Feature: 1. High Performance: PCIE gigabit network card adds two 10/100/1000 Mbps compatible RJ45 Ethernet ports, conforms to IEEE 802.3/U/AB standard, and supports 9K jumbo frame, VLAN tagging, this gigabit network card adapter provides effective Network performance. 2. Support: Clients, servers or workstations that support PCI Express, provide a convenient interface for adding or replacing the network. 3. Long Distance: Dual RJ45 ports allow you to connect to a distance of up to 100 meters to meet the needs of the data center environment. 4. Standards: Fully conform to IEEE 802.3, IEEE 802.3u, IEEE 802.3x and IEEE 802.3ab standards, support IEEE 802.1Q VLAN tagging and IEEE 802.3x full duplex discharge control. 5. Software Operating System Compatibility: for Windows7, 8, x, 10; for WindowsServer2008R2, 2012, 2016, 2019; for Linux 2.6.x to 5.x. With contour bracket and additional flat bracket, you can easily install the card in small form factor/flat computer case/server. Specification: Item Type: Network Card Material: PCB Function: It Can Accept the Router's Wireless Network for Wireless Use by Computers, and It Can Also Send Wifi from a Computer with Network Connection for Use by Terminals with Wifi Functions Such As Tablets and Mobile Phones. Scope of Application: Desktop Computer Chipset ID: for Intel-82571EB Industry Standards: IEEE 802.3, IEEE 802.3U, IEEE 802.3x, IEEE 802.3ab Interface: 2 x RJ45 Software Operating System Compatibility: for Windows7, 8, X, 10; for Windowsserver2008R2, 2012, 2016, 2019; for Linux 2.6.x to 5.x Environmental Humidity: 20~80%RH Operating Temperature: 5°C to 50°C (41°F to 122°F) Storage Temperature: -25°C to 70°C (-13°F to 158°F). Package List: 1 x Network Card1 x Bracket