PCIe Gigabit Network Card adds two 10/100/1000 Mbps compatible RJ45 Ethernet ports to a PCI Express-enabled client, server or workstation, providing a convenient addition or replacement networking interface. Compliant with IEEE 802.3/u/ab standards, and with support for 9.5K Jumbo Frames, VLAN tagging, this Gigabit NIC Adapter offers effective network performance Features PCIe base specifiatication 2.0(2.5GT/S) or (5GT/s) Two 10/100/1000 Mbps compatible RJ45 Ethernet ports Link and Activity LED indicators Full and half duplex support PXE network boot support Complies with dual port 1GbE PHY device MDI(Copper)standrd IEEE802.3 Ethernet interface for 1000BASE-T,100BASE-TX,and10BASE-T application(802.3,802.3u,and 802.3ab) Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3x and IEEE 802.3ab standards PCI Bus Power Management interface Specification Rev1.2 Max 9.5KB of jumbo frames supported Flow control supports: send/receive PAUSE frames and receive FIFO thresholds Statistics for management and RMON Supports IEEE 802.1Q VLAN tagging, and IEEE 802.3x Fully Duplex Flow Control 64-bit address support for systems using more than 4GB of physical memory IPv6 wake-up filters TCP segmentation offload :up to 256KB IPv6 support for IP/TCP and IP/UDP receive checksum offload Interrupt throttling control to limit maximum interrupt rate and improve CPU usage Receive packet split header DCA support Support for Virtual Machines device queues Supports OS:Linux,FreeBSD /Server 2003/ Win 7/ Win 8/ Win 8.1/ Server 2012 / Server 2016 / Win10 32 / 64bit Packing list 1xPCIE 1G LAN Card 1x Low profile Bracket