PCI-E X1 1000Mbps Double Port Gigabit EtherneT network Card Features: PCI Express * Gen 2.1 (2.5GT/s), high performance design. Dual Port PCI-Express * 10/100/1000Mbps Ethernet Network Card. Innovative power management function, compact structure design, takes little space, a bracket facilitates to ventilation, improve efficiency and reduce power consumption. IEEE 802.1Qav Audio - Video Bridging (AVB) for tightly controlled media stream synchronization, buffering and reservation. Reliable and tested Gigabit Ethernet technology. Specifications: Model: SE-LGI575A-2BT Applicable network: Gigabit Ethernet Master controller: For Intel(R) 82575EB Bus Type: PCI Express X1, 2.5GT/s Media interface: Copper Cable, RJ45 Transmission rate: 1000Mbps Network topology: 10BASE-T/100BASE-TX/1000BASE-T, IEEE 802.1Q VLANs;  IEEE 802.3z, IEEE 802.3, IEEE 802.3x, IEEE 1588, IEEE 802.3az; Energy Efficient Ethernet(EEE) Management function: Through SMBus or NC-SI to IPMI delivery, iSCSI boot, WoL, PXE remote boot, VLAN filtering Operating system: For FreeBSD/Linux/VMWare ESXi/Win 7/ Server 2012/ Server 2008/ Win 8/Win 8.1/Server 2016/Win 10 Product certification: FCC, CE, RoHS Operating temperature: 0-55℃(32-131℉) Storage temperature: -40-70℃(-40-158℉) Storage Humidity: 90% non-condensing relative humidity at 35℃ Package list: 1 x Network Card 1 x CD 1 x Bracket