This PCI-Express Gigabit Ethernet Adapter is a high-performance 10/100/1000M Ethernet LAN controller. Users can extend a standard RJ45 Ethernet interface through the PCI-E slot of the computer. Integrated RTL8111H chip, with good stability and compatibility, as well as rich support, suitable for home users or office equipment. Integrated 10/100/1000M transceiver. Support Giga Lite (500M) mode. Auto-negotiation with next page capability PCI Express 1.1 support. Support for swap/polarity/skew correction detection and automatic correction. Supports 1- 2.5Gbps PCI Express bus Support hardware ECC (Error Correcting Code) function Support hardware (Cyclic Redundancy Check) function Send/receive on-chip buffer support Supports PCI (Message Signaled Interrupt) and -X Fully compliant with IEEE802.3, 802.3u and 802. Supports IEEE 802.1P Layer 2 Priority Coding Supports 802.1Q VLAN tagging Support IEEE 802.3az-2010(EEE) Supports full-duplex flow control (IEEE.802.3x) Supports jumbo frames of 9K bytes Quad-core Receive Side Scaling (RSS) support Support Protocol Offload (&NS) Support for WPI ( Packet Indication) Wake-On-LAN and "RealWoW" technology (remote ) support ECMA-393 ProxZzzy standard with sleep host support System Requirements ME, 98SE, 2000, XP, Vista, 7, 8, and 10 32-bit/64-bit Server 2003, 2008, 2012 and 2016 32-/64-bit Linux, OS and DOS Material:Metal + Plastic colour:Green Package Contents: 1 x M.2(B+M Key) to 10 /100/1000M Ethernet card 2 x connecting cables 1 x Half Height Bezel Only the above package content, other products are not included. Note: Light 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.