It is suitable for transferring 2 RJ45 Gigabit Ethernet ports from the MiniPCle slot of the PC , and the Gigabit Ethernet ports support 10, 100, and 1000Mbps data transmission.Make full use of the MiniPCle slot of the motherboard, and realize high-performance network applications of the computer through the Mini PCle to Gigabit Ethernet adapter.Using RTL8111H network card chip, it has low power consumption, low delay, more stable transmission, and is not easy to cause packet loss and distortion.System Requirements Windows ME,98SE, 2000, XP, Vista, 7,8,10 and 11 32-/64-bit Windows Server 2003, 2008, 2012,and 2016 32-/64-bit Linux, OS and .Integrated RTL8111H chip, with good stability and compatibility, as as support, suitable users or office equipment.PCI 1.1 supportSupports 1- 2.5Gbps PCI busIntegrated 10/100/1000M transceiverBackward compatible with 10/100BASE-T networksSupport Giga Lite (500M) modeSupport for swap/polarity/skew correction detection and automatic correctionSupport hardware ECC (Error Correcting Code) functionSupport hardware (Cyclic Redundancy Check) functionTransmit/receive on-chip buffer supportSupports PCI (Message Signaled Interrupt) and -XFully compliant with IEEE802.3, 802.3u and 802.Supports IEEE 802.1P layer 2 priority encodingSupports 802.1Q VLAN taggingSupport IEEE 802.3az-2010(EEE)Supports full-duplex control (IEEE.802.3x)Supports jumbo frames up to 9K bytesSupports -core Receive Side Scaling (RSS)Support Protocol Offload (&NS)Supports the ECMA-393 ProxZzzy standard for sleeping hostsColour:greenMaterial:PCBPackage Contents:1 x Main Card1 x Card1 x Short Iron3 x Connecting Cables1 x and English manualOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.