brand new and high quality Features: for Intel 82575EB with Dual RJ45 Ports 10/100/1000Mbps; Bus: PCI-E x1 for PCI-E x4, x8, x16; Support full duplex flow control (IEEE 802.3X) Fully compliant with IEEE 802.3, IEEE802.3u standard, IEEE802.3ab standard Network Card only, other accessories demo in the picture are not included! Specification: Material: PCB Chipset: for Intel 82575EB Bus: PCI-E X 1 Port: 2x RJ45 Port Speed: 10/100/1000Mbps Support: for Windows XP/ for Windows 2000/ for Windows Server 2003/ for Windows Vista/ for Windows 7/ for Windows 8/ for Windows Server 2008 , 2008 R2/ for Windows Server 2012 , 2012 R2/ Novell Netware 5.x,6.x/ Linux 2.4 series kernel and 2.6.x and 3.x/ DOS, Novell ODI/ FreeBSD 7.x or most of the FreeBSD/ OS 8 or laster/ SCO Open Server/ UnixWare/ OpenUnix 8/ OS Independent/ for Sun Solaris x86 Color: As Pictures Shown Dimension: 120x18x107mm/ 4.72x0.71x4.21in Quantity: 1 Pc Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Network Card