This Mini PCIe Gigabit Ethernet adapter is a high-performance 10/100/1000M Ethernet LAN controller. Users can extend two standard RJ45 Ethernet interfaces through the Mini PCIe slot of their computer. Integrated RTL8111H chip, with good stability and compatibility, as well as rich support, suitable for home users or office devices. Supports PCI Express 1.1 Supports 1-channel 2.5Gbps PCI Express bus Integrated 10/100/1000M transceiver Backward compatibility with 10/100BASE- networks Supports for Giga Lite (500M) mode Support for exchange/polarity/tilt correction detection and automatic correction Supports hardware ECC (Error Correction Code) function Support hardware (cyclic redundancy check) function Transmission/reception on-chip buffering support Supports PCI (message signal interrupt) and -X Fully compliant with IEEE802.3, 802.3u, and 802. Supports IEEE 802.1P Layer 2 priority encoding Supports 802.1Q VLAN tagging Supports IEEE 802.3az-2010 (EEE) Supports full duplex flow control (IEEE 802.3x) Supports 9K byte jumbo frames Supports quad core receiver scaling (RSS) Support protocol offloading ( and NS) Support the ECMA-393 ProxZzzy standard for hibernation hosts system requirements for ME,98SE,2000,XP,Vista, 7. 8, 10, and 11 32-/64 bit for Server 2003, 2008, 2012, and 2016 32-/64 bit/Linux, for OS, and DOS Color: Green Material: PCB Package Contents: 1 x MiniPCIe to Gigabit Ethernet controller card 2 x connecting cables 1 x short iron sheet 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection 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.