Features: brand new and high quality The Mini PCIe RTL8111F dual port gigabit Ethernet card, high-performance 10/100/1000M BASE-T Ethernet LAN controller It support the IEEE802.3u specification for 10/100Mbps Ethernet and the IEEE802.3ab specification for 1000Mbps Ethernet. Mini PCIe Single channel (x1) PCIe, throughput up to 2.5Gbps Compatible with the revision 1.2 of the electromechanical specification of mini PCIE card; Compatible with half/full size mini PCIE card type size Plug and-Play;Comply-with PCIE Basic Specification Revision 1.1 Specifications: Applicable Network: Gigabit Ethernet Server Main chipset: RTL8111F+ASM1182e Bus Type: Mini PCIE Media interface: 2 x RJ45, Copper Cable Transmission rate: 10/100/1000Mbps (automatic data rate negotiation operation) High-Performance 1000BASE-T Ethernet controller card, backward compatible with 10/100BASE-T network Network topology: fully compliant with IEEE802.3802.3u, 802.3ab Support full duplex flow control (IEEE802.3x); Support IEEE802.1Q VLAN tagging Operating system: WindowsME/98SE/2000/XP/Vista/Win 7/Win 8/Win 10 32&64bit WindowsServer2003/Server/Server2008/Server2012 32&64bit Linux, DOS, MacOS X10.4. X or higher One available mini PCIe card slot Size: approx 115x70mm/4.53x2.75in Package Includes: 1 x Mini PCIe RTL8111F Gigabit Network Adapter Main Card 1 x Mini PCIe RTL8111F Gigabit Network Card Sub Card 1 x 10 pin Network Cable= 1 x 4-Pin LED Cable 1 x CD-Driver 1 x Short Bracket note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.