The RTL8111F chip is used to make the speed faster and more stable.Low power consumption circuit board, the current is faster and more stable.Thicker gold-plated gold finger contacts are more reliable, reducing hardware contact failures, resulting in sudden disconnections and other problems Supports ACPI power management, compliant with ACPI 2.0.Support for Windows XP/Vista/7 32/64 bit, Server 2003 32/64 bit, Linux.Compliant with the PCI Express rev 1.1 specification.Compliant with CSMA/CD protocolLED data transfer indicatorSupports ACPI power management, compliant with ACPI 2.0Data transfer rate: 10/100/1000 MbpsChipset: RTL8111FExternal ports: 1x RJ45 Ethernet portHost Interface: PCI EColour:blueMaterial:PCBSize:6.6 x 4.2CMPackage Contents:1 * PCIE Ethernet cardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.