Description: Dual Gigabit Ports: This Dual-Port PCIe Gigabit Network Card features 2 Gigabit Ethernet RJ 45 ports, powered by Intel 82575/82576 chipset. It is compatible 100M/10M auto-negotiation and supports standard Cat5e or above UTP, with a maximum transmission distance of up to 100 meters (328 feet). PCIe Slot Compatibility: The network card is compatible PCIe slots X1, X4, X8, and X16. It comes with a standard bracket as well as a low-profile bracket for versatile installation options such as PCs, servers, clients, workstations, NAS etc. Please note that it does not support PCI slots. Multiple Operating Systems: This network card supports Windows10/8.1/8/7/Server 2016,2012,2008 and Linux operating systems. Drivers can be freely downloaded from the official Intel website. Network Features: The network card supports PXE booting, automatic MDIX switching for straight-through or crossover cables without needing to worry about cable type; 802.1Q VLAN tagging for traffic segregation; full-duplex flow control ( 802.3x); jumbo frames up to 9.5Kbytes; and PCI Express 2.1 (2.5 GT/s). Easy Installation: Choose the appropriate bracket according to your case size and insert it into the PCIe slot; install the driver software and connect to your network; LED indicators display link and speed. Specification: Material: PCB Package Includes: 1xPCIE 1G LAN Card1x Low profile Bracket Note: Please allow slightly errors due to manual measurement and different monitors.