Original Intel 82576 Chipset: Equipped with original Intel 82576 controller chip which supports Intelligent Offloads and make the servers more stable. Equal to Intel E1G42ET PICE Card.
Convert PCIe Slot to Dual RJ45 Ports: PCI Express 2.1. 2.5 GT/s x1 Lane. Compatible with x1, x4, x8, x16 standard and low-profile PCI Express slots.
OS Compatibility: Support Windows 10/8/8.1/7, Windows Server 2008 R2/2012, Linux, FreeBSD, DOS. Driver can be downloaded from Intel website: https://downloadcenter. intel. com/product/50281/-82575EB
Platform Usage: 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

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